((1R,2S,8aR,9S,9aR)-7-amino-9a-methoxy-6-methyl-5,8-dioxo-1,2,3,5,8,8a,9,9a-octahydro-1,2,4a-(epinitrilo)pyrrolo[1,2-a]indol-9-yl)methylcarbamate
((1R,2S,8aR,9S,9aR)-7-amino-9a-methoxy-6-methyl-5,8-dioxo-1,2,3,5,8,8a,9,9a-octahydro-1,2,4a-(epinitrilo)pyrrolo[1,2-a]indol-9-yl)methylcarbamate