Synonyms: Ligularizine;12-Epipetasitenine acetate;CCRIS 5788;4,8-Secosenecionan-8,11,16-trione, 15,20-dihydro-12-(acetyloxy)-15,20-epoxy-4-methyl-, (12-beta,15-beta,20S);AC1O5UFB;LS-144734;[(1R,3'R,6R,7S,11Z)-3',6,7,14-tetramethyl-3,8,17-trioxospiro[2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-4,2'-oxirane]-7-yl] acetate;90364-92-4