(5aR,6S,8S,9S,10S,11aR,12R)-13-(cyclohexanecarbonyl)-8-(2-methoxyethyl)-5-methyl-5,5a,6,7,8,9,10,11-octahydro-6,10-epimino-9,11a-methanocycloocta[b]indol-12-yl acetate

(5aR,6S,8S,9S,10S,11aR,12R)-8-(2-methoxyethyl)-5-methyl-13-pivaloyl-5,5a,6,7,8,9,10,11-octahydro-6,10-epimino-9,11a-methanocycloocta[b]indol-12-yl acetate