12,18-Dihydroxy-senecionan-11,16-dione 1416-49-5 3-Ethylidene-3,4,5,6,9,11,13,14,14a,14b-decahydro-6-hydroxy-6-hydroxymethyl-5-methyl(1,6)dioxacyclododeca(2,3,4-gh)pyrrolizidine-2,7-dione 36168-23-7 480-54-6 CCRIS 4338 HSDB 3530 NSC 107659 RETRORSINE Retrorsin Senecionan-11,16-dione, 12,18-dihydroxy- Senecionan-11,16-dione, 12,18-dihydroxy- (9CI) beta-Longilobine cis-Retronecic acid ester of retronecine trans-15-Ethylidene-12beta-hydroxy-12alpha-hydroxymethyl-13beta-methylsenec-1-enine