TIRANDAMYCIN

TIRANDAMYCIN A

3-[(1E,2E,4E,6R)-1-HYDROXY-4-METHYL-6-[(1S,4WEI ,6S)-1,2WEI ,7WEI -TRIMETHYL-5-OXO-3,9,10-TRIOXATRICYCLO[4.3.1.02,4]DECAN-8WEI -YL]-2,4-HEPTADIEN-1-YLIDENE]-2,4-PYRROLIDINEDIONE

TRIANDAMYCIN

5-hydroxy-4-{(2E,4E,6R)-4-methyl-6-[(1R,2S,4R,6R,7R,8R)-1,2,7-trimethyl-5-oxo-3,9,10-trioxatricyclo[4.3.1.0~2,4~]dec-8-yl]hepta-2,4-dienoyl}-1,2-dihydro-3H-pyrrol-3-one (non-preferred name)