Amphibine C

13-Benzyl-1-[2-[2-(dimethylamino)-4-methylpentanoylamino]-3-methylpentanoyl]-2,3,3a,13,14,15a-hexahydro-5,8-ethenopyrrolo[3,2-b][1,5,8]oxadiazacyclotetradecine-12,15(1H,11H)-dione

2-(Dimethylamino)-4-methyl-N-[2-methyl-1-[[3,3a,11,12,13,14,15,15a-octahydro-12,15-dioxo-13-(phenylmethyl)-5,8-ethenopyrrolo[3,2-b][1,5,8]oxadiazacyclotetradecin-1(2H)-yl]carbonyl]butyl]pentanamide