Name: BRYOSTATIN 1; (1S,3S,5Z,7R,8E,11S,12S,13E,15S,17R,21R,23R,25S)-25-(ACE TYLOXY)-1,11,21-TRIHYDROXY-17-[(1R)-1-HYDROXYETHYL]-5,13 -BIS(2-METHOXY-2-OXOET