(3bR,3cS,5aS,6S,8aS,8bS,10aR)-N-(tert-butyl)-3b,5a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]oxireno[2,3-c]quinoline-6-carboxamide
(3bR,3cS,5aS,6S,8aS,8bS,10aR)-N-(tert-butyl)-3b,5a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]oxireno[2,3-c]quinoline-6-carboxamide