n
An toxic amino acid obtained from jequirity beans; C₁₂H₁₄N₂O₂, that is different than abrin.
n
(organic chemistry) The 17-O- acetyl derivative of ajmaline, reported to have antiarrhythmic activity.
n
(organic chemistry) The sesquiterpene lactone 3aR,5S,8aR,9aR-3a,5,6,7,8,8a,9,9a-octahydro-5,8a-dimethyl-3-methylene-naphtho[2,3-b]furan-2(3H)-one which inhibits proliferation of cancer cells
n
(organic chemistry) The antimitotic agent methyl 5-acetylamino-6,7-dihydro-9,10,11-trimethoxy-5H-dibenzo(a,c)cycloheptene-3-carboxylate
n
(organic chemistry) A polycyclic carbohydrate amide that is a chitinase inhibitor
n
Synonym of virosecurinine
n
(organic chemistry) A derivative of aloe vera.
n
One of two isomers of prodine.
n
(organic compond) The macrolide lactone 1-oxacycloheptadec-8-en-2-one
n
(organic chemistry) The benzopyran derivative (2S,6R,8aS)-6-methyl-7-oxo-5-[(1S)-1,3,3-trimethylcyclohexyl]-2,6,7,8a-tetrahydrofuro[4,3,2-ij]isochromen-2-yl acetate found in a sea slug of the genus Goniobranchus
n
(organic chemistry) Synonym of aposcopolamine
n
(biochemistry) An argiotoxin with IUPAC name (2S)-N-[5-[3-[3-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]propylamino]propylamino]pentyl]-2-[[2-(2,4-dihydroxyphenyl)acetyl]amino]butanediamide
n
(organic chemistry) A polyketide derivative of pyridone produced as a metabolite by Aspergillus
n
(organic chemistry) The aurone glycoside 2-[(3,4-dihydroxyphenyl)methylidene]-4-hydroxy-6-[(2S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1-benzofuran-3-one
n
(chemistry) A series of organic reactions forming a flavonol from a coumarone.
n
(organic chemistry) A bacterial hopane
n
(organic chemistry) A trihydroxybenzoic acid glycoside with an immunomodulatory effect, found in Bergenia and other plants.
n
(organic chemistry) A naturally-occurring pentacyclic triterpenoid with antiretroviral, antimalarial and antiinflammatory properties
n
(organic chemistry) The neurotoxin 3-nitropropionic acid
n
(organic chemistry) The pyrrole N-[[(4R,5R,6S)-2-amino-4-(2-amino-1H-imidazol-5-yl)-6-[[(4-bromo-1H-pyrrole-2-carbonyl)amino]methyl]-4,5,6,7-tetrahydro-1H-benzimidazol-5-yl]methyl]-4,5-dibromo-1H-pyrrole-2-carboxamide, that is a secondary metabolite of the marine sponge Agelas conifera
n
Any of a series of derivatives of ferulic acid that have been investigated as prodrugs
n
(organic chemistry) Any of a class of irritant compounds, related to capsaicin, that are responsible for the heat of chilli peppers.
n
(organic chemistry) Any of a group of fungal pigments that are dimers of the ventiloquinones.
n
(organic chemistry) The brassinosteroid (22R,23R)-2α,3α,22,23-tetrahydroxy-5α-campestan-6-one
n
(organic chemistry) A sterol α₁-sitosterol found in vegetable oil
n
(chemistry) A fluorescent blue oily base obtained from conine, regarded as a derivative of pyridine.
n
(organic chemistry) The cardiac trioside (3S,5S,8R,9S,10R,13R,14S,17R)-3,14-dihydroxy-13-methyl-17-(5-oxo-2H-furan-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthrene-10-carbaldehyde
n
(organic chemistry) A white amorphous substance, originally regarded as a glucoside but now known to be a triterpenoid glycoside, extracted from the corm of Cyclamen purpurascens.
n
(organic chemistry) A pyrone derivative used as a fungicide, bactericide, and preservative.
n
(biochemistry) Any of a family of polyisoprenoid ketals which are inhibitors of an HIV protease
n
(organic chemistry) Any of a group of cyclic depsipeptides found in Trididemnum
n
(organic chemistry) The compound 6-[4-(2-piperidin-1-ylethoxy)phenyl]-3-pyridin-4-ylpyrazolo[1,5-a]pyrimidine, which is a selective inhibitor of bone morphogenetic protein
n
(organic chemistry) A nitrogenous base contained in this fluid, believed to be the active poisonous principle of the virus.
n
(organic chemistry) Any of a group of antiviral isoindolone derivatives present in the mangrove Aegiceras corniculatum
n
Any of a class of bacterial products characterized by nine- or ten-membered rings containing two triple bonds separated by a double bond, many of which are highly toxic to DNA and used as antitumour agents.
n
(chemistry) A 2:1 complex of theophylline and ethylenediamine.
n
(organic chemistry) The macrocyclic lactone, pentadecalactone, having fifteen carbon atoms; it has a musky scent, similar to exaltone
n
(organic chemistry) The antibacterial agent 2S,3R)-3-[[(1S)-1-carboxy-2-(1H-imidazol-5-yl)ethyl]amino]-2-[[(2S)-3-(1H-imidazol-5-yl)-2-(methylamino)propanoyl]amino]butanoic acid
n
(organic chemistry) A non-steroidal phytoestrogen, [(3R,3aS,4S,8aR)-3-hydroxy-6,8a-dimethyl-3-propan-2-yl-1,2,3a,4,5,8-hexahydroazulen-4-yl] 4-hydroxybenzoate, that is an estrogen receptor agonist
n
(organic chemistry) 1,2,6-trihydroxyanthraquinone
n
(organic chemistry) A hydrocarbon extracted from gutta-percha as a yellow resinous substance.
n
Alternative form of galantaminium [A cation formed by protonation of galantamine]
n
(organic chemistry) The toxic amine 2-(3-methylbut-2-enyl)guanidine, present in several plants, that was once used as a treatment for diabetes
n
(organic chemistry) A sterol found in wheat germ and other vegetable oils
n
(organic chemistry) A tricyclic diterpenoid hydrocarbon that is the basis of the structure of the grayanotoxins
n
(organic chemistry) A cytotoxic diketopiperazine present in some marine fungi
n
(organic chemistry) An antitumor antibiotic 10-[4-(dimethylamino)-5-hydroxy-4,6-dimethyloxan-2-yl]-8-[4-(dimethylamino)-5-hydroxy-6-methyloxan-2-yl]-11-hydroxy-5-methyl-2-[2-methyl-3-(3-methyloxiran-2-yl)oxiran-2-yl]naphtho[2,3-h]chromene-4,7,12-trione
n
Alternative form of hesperetin [(organic chemistry) A compound obtained from the decomposition of hesperidin, regarded as a complex derivative of caffeic acid.]
n
(biochemistry) A nucleoside that is an oxidative derivative of guanosine, used as a biomarker of oxidative stress.
n
(organic chemistry) A hydroxy derivative of staurosporine; especially 7-hydroxystaurosporine, an antitumor drug that has antineoplastic activity.
n
(biochemistry) A resin acid toxin found in various trees, especially conifers.
n
(organic chemistry) A polycyclic diterpene carboxylic acid which shows selective antibacterial activity against Gram-positive bacteria
n
(biochemistry, archaic) A nitrogenous substance, free from phosphorus, supposed to be present in the brain, and closely related to cerebrin.
n
(organic chemistry) Either of two isomeric luteolin flavone glucosides found in sunflowers
n
(biochemistry) A stereoisomer of riboflavin, found in small amounts in the cardiac muscle.
n
(organic chemistry) a macrocyclic lactone with a ring of at least ten atoms
n
The oligopeptide (2S)-2-[[(2R,3R)-3-[(2S)-1-[(3R,4S,5S)-4-[[(2S)-2-[[(2S)-2-[6-(2,5-dioxopyrrol-1-yl)hexanoyl-methylamino]-3-methylbutanoyl]amino]-3-methylbutanoyl]-methylamino]-3-methoxy-5-methylheptanoyl]pyrrolidin-2-yl]-3-methoxy-2-methylpropanoyl]amino]-3-phenylpropanoic acid
n
(organic chemistry) The tricyclic lactone methyl 4-chloro-7-hydroxy-3-methoxy-9-methyl-6-oxobenzo[b][1,4]benzodioxepine-1-carboxylate
n
(organic chemistry) The compound (2S)-5,7-dihydroxy-2-(4-methoxyphenyl)-6,8-dimethyl-2,3-dihydrochromen-4-one that induces apoptosis
n
(chemistry) A substance regarded as an anhydride of meconinic acid, found in opium.
n
(organic chemistry) A chemical intermediate derived from ecgonine or cocaine; a pyrolysis product formed when crack cocaine is smoked.
n
(organic chemistry) Any methyl derivative of toxoflavin, especially 1,3,6-trimethylpyrimido[5,4-e][1,2,4]triazine-5,7-dione
n
(organic chemistry) The oligocyclic lactam (3E,5E,7E,15E,17E,19E,21E,23Z)-10,11,12,14-tetrahydroxy-9,19,26-trimethyl-1-azacyclohexacosa-3,5,7,15,17,19,21,23-octaen-2-one present in Micromonospora
n
(organic chemistry) The nucleoside antibiotic 5-[(2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,3-oxazine-2,4-dione
n
(organic chemistry) The monodansyl derivative of cadaverine N-(5-aminopentyl)-5-(dimethylamino)naphthalene-1-sulfonamide
n
Alternative form of murexan [(obsolete, chemistry) A poorly-characterized nitrogenous material formed from several ureids]
n
(biochemistry) A pteridine, 2-amino-6-(1,2,3-trihydroxypropyl)-1H-pteridin-4-one, that is a catabolic product of guanosine triphosphate
n
(organic chemistry, archaic) A substance isolated from the brain, later identified as spermine.
n
(organic chemistry) Any of several groups of compounds that have neuroprotective activity
n
(organic chemistry) The antifungal agent and antibiotic 2-[[2-amino-4-hydroxy-4-(5-hydroxypyridin-2-yl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid
n
(organic chemistry) Any compound that is not a glycoside (but especially a glycone)
n
(organic chemistry) The metabolite of curcumin (3S,5S)-1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-diol that shows anticancer activity
n
(organic chemistry) Any of a group of methylated flavones present in plants of the genus Oroxylum
n
(organic chemistry) An aromatic compound found in buckwheat, chocolate, etc. responsible for the antibiotic activity of maggot therapy.
n
Alternative form of pinacone [(organic chemistry) Synonym of pinacol]
n
(organic chemistry) Any of a group of chlorolipid amides isolated from marine cyanobacteria
n
(biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis
n
(organic chemistry) The toxin 5-hydroxy-2-methyl-1,4-naphthoquinone.
n
(organic chemistry) The parent hydrocarbon for a range of steroids including the progesterones
n
Any of a group of cytotoxic bromotyrosine phenols (e.g. N,N"-(dithiodi-2,1-ethanediyl)bis[3-bromo-4-hydroxy-a-(hydroxyimino)-benzenepropanamide) found in some marine sponges
n
(organic chemistry) An amidoglycosyl- and vinyl-isonitrile tyrosine derivative that is a perimeter defense molecule in entomopathogenic bacteria
n
(organic chemistry) The bacterial inhibitor 2-[1-[[2-(methylamino)-5-pyrimidinyl]methyl]-3-piperidinyl]-6-(2-thienyl)-4(3H)-pyrimidinone
n
(organic chemistry) A glycoside of ribose and guanidine
n
(organic chemistry) The anticancer compound (3Z)-3-[(3,5-dimethyl-1H-pyrrol-2-yl)methylidene]-1,3-dihydro-2H-indol-2-one
n
(biochemistry) Synonym of rutin
n
(organic chemistry) Any of a group of fungal inhibitors of carotenoid biosynthesis
n
Alternative form of tectochrysin [(organic chemistry) A flavone, 5-hydroxy-7-methoxy-2-phenylchromen-4-one, that has some anti-cancer properties]
n
Alternative form of ulmin [(organic chemistry) A brown amorphous substance found in decaying vegetation.]
n
(organic chemistry) A mating pheromone specific to male fruit flies
n
(organic chemistry) A biosurfactant, [[(2S)-2-[[(3R)-3-hydroxydecanoyl]amino]-4-methyl-pentanoyl]amino]-5-oxo-pentanoic acid, produced by Pseudomonas fluorescens
n
(organic chemistry) A cyclic depsipeptide surfactant produced by Pseudomonas fluorescens
n
(organic chemistry) The steroidal macrolide 6,7-epoxy-5,17-dihydroxy-1-oxowitha-2,24-dienolide
n
(organic chemistry) Any propanolamine derived from a xanthon; they show antihypertensive activity
n
A drug, 2-[2-(DI-2,6-xylylmethoxy)ethoxy]-N,N-dimethylethylamine.
Note: Concept clusters like the one above are an experimental OneLook
feature. We've grouped words and phrases into thousands of clusters
based on a statistical analysis of how they are used in writing. Some
of the words and concepts may be vulgar or offensive. The names of the
clusters were written automatically and may not precisely describe
every word within the cluster; furthermore, the clusters may be
missing some entries that you'd normally associate with their
names. Click on a word to look it up on OneLook.
Our daily word games Threepeat and Compound Your Joy are going strong. Bookmark and enjoy!
Today's secret word is 9 letters and means "Restore or refill to former level." Can you find it?