Synonyms: Crotalananium,14,19-dihydro-8,12-dihydroxy-4,19-dimethyl-11,15-dioxo-, (13a,14a)-; 2H-[1,6]Dioxacycloundecino[2,3,4-gh]pyrrolizinium,3,4,5,6,8,10,12,13,13a,13b-decahydro-5,13b-dihydroxy-4,5,11-trimethyl-3-(1-methylethyl)-2,6-dioxo-,[3R-(3R*,4S*,5R*,11R*,13aR*,13bS*)]-; Crosemperine