54274-53-2 2,2-dimethyl-3-[(3E,7E,11E,15E)-3,7,12,16,20-pentamethylhenicosa-3,7,11,15,19-pentaenyl]oxirane 661466-85-9 2,4,6,8-Undecatetraenoic acid,11-[(2R,3R)-3-ethenyl-2-methyloxiranyl]-3,4-dimethoxy-6,9,10-trimethyl-, methyl ester, (2Z,4Z,6Z,8E)-rel- 730963-45-8 4,7-EPOXY-1H-ISOINDOLE-1,3(2H)-DIONE, HEXAHYDRO-5,6-DIHYDROXY-2-PHENYL-, (3AR,4R,5S,6R,7S,7AS)-REL-