methyl N-[2-(5-nitro-1H-indol-3-yl)ethyl]carbamate

8-acetyl-1-methoxycarbonyl-5-nitro-1,2,3,3a,8a-hexahydropyrrolo<2,3-b>indole

methyl 8-acetyl-5-bromo-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indole-1(2H)-carboxylate