Synonyms: 6-Epi-11aH-Santonin (7CI);Eudesma-1,4-dien-12-oic acid, 6b-hydroxy-3-oxo-, g-lactone, (11R)- (8CI); Naphtho[1,2-b]furan-2,8(3H,4H)-dione,3a,5,5a,9b-tetrahydro-3,5a,9-trimethyl-, [3R-(3a,3ab,5aa,9bb)]-; (6b,11b)-Santonin; 6-Epi-b-santonin; 6-epi-b-Santonin; Santonin D; b-Episantonin