(12-beta,15E)-12-(Acetyloxy)-4-methyl-4,8-secosenecionan-8,11,16-trione 4,8-Secosenecionan-8,11,16-trione, 12-(acetyloxy)-4-methyl-, (12-beta,15E)- 60872-63-1 CCRIS 5786 Crotaverrine acetate Ligularidine O-Acetylcrotaverrine