5-Amino-7-benzyloxy-4-iodo-1-methanesulfonyl-1H-indole-2-carboxylic acid methyl ester

methyl 7-benzyloxy-4-iodo-1-methanesulfonyl-5-(N-methoxycarbonylamino)indole-2-carboxylate

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

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