Term Name:	FR901463
Synonyms:	(3Z)-5-[(6-{(2E,4E)-5-[(3R,4S,6S)-4-(chloromethyl)-3,4,6-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]-3-methylpenta-2,4-dien-1-yl}-2,5-dimethyltetrahydro-2H-pyran-3-yl)amino]-5-oxopent-3-en-2-yl acetate, 6-[(1E,3E)-5-(5-{[(2Z)-4-(acetyloxy)pent-2-enoyl]amino}-3,6-dimethyltetrahydro-2H-pyran-2-yl)-3-methylpenta-1,3-dien-1-yl]-4-C-(chloromethyl)-1,3-dideoxy-alpha-D-erythro-hex-2-ulopyranose
Definition:	A cyclic hemiketal isolated from the fermentation broth of Pseudomonas sp.no.2663. It displays potent cytotoxic activity against human tumour cells.
Ontology:	ChEBI [CHEBI:65914]  ( EBI )