methyl 1,2,4,5,8,8a-hexahydro-4-oxocyclopropa[c]pyrrolo[3,2-e]indole-6-carboxylate

methyl 4-benzyloxy-3,7-dihydro-6-(methoxycarbonyl)-6H-pyrrolo<3,2-f>quinoline-2-carboxylate

methyl 7-benzyloxy-1-methanesulfonyl-5-(N-methoxycarbonylamino)-4-(1-propyn-3-ol)indole-2-carboxylate

methyl 6-(benzyloxycarbonyl)-3,7,8,9-tetrahydro-4-hydroxy-8,8-dimethoxy-6H-pyrrolo<3,2-f>quinoline-2-carboxylate

methyl 4-(benzyloxy)-3,7,8,9-tetrahydro-8-hydroxy-6-(methoxycarbonyl)-6H-pyrrolo[3,2-f]quinoline-2-carboxylate

2-iodo-4-nitro-6-(phenylmethoxy)benzenamine

methyl (+/-)-2-(benzyloxycarbonyl)-1,2,4,5,8,8a-hexahydro-4-oxacyclopropa[c]pyrrolo[3,2-e]indole-6-carboxylate

methyl 6-(benzyloxycarbonyl)-3,7,8,9-tetrahydro-4-hydroxy-8,8-dimethoxy-5-(phenylseleno)-6H-pyrrolo<3,2-f>quinoline-2-carboxylate

7-Benzyloxy-4-((Z)-3-hydroxy-propenyl)-1-methanesulfonyl-5-methoxycarbonylamino-1H-indole-2-carboxylic acid methyl ester

5-Amino-7-benzyloxy-1-methanesulfonyl-1H-indole-2-carboxylic acid methyl ester

methyl 4-(benzyloxy)-3,7,8,9-tetrahydro-8-methanesulfonyloxy-6-(methoxycarbonyl)-6H-pyrrolo[3,2-f]quinoline-2-carboxylate