Synonyms: 13-Benzyl-2,3,3a,13,14,15a-hexahydro-1-[3-methyl-2-(methylamino)pentanoyl]-5,8-ethenopyrrolo[3,2-b][1,5,8]oxadiazacyclotetradecine-12,15(1H,11H)-dione;2,3,3a,13,14,15a-Hexahydro-1-[3-methyl-2-(methylamino)-1-oxopentyl]-13-(phenylmethyl)-5,8-ethenopyrrolo[3,2-b][1,5,8]oxadiazacyclotetradecine-12,15(1H,11H)-dione;Amphibine F