7,9-二甲氧羰基-2-乙氧羰基-5-甲氧基-1H-吡咯并-[2,3-f]喹啉

6-Chloro-4-hydroxy-7-[methoxycarbonyl-(4-methoxycarbonyl-2-oxo-2,3-dihydro-oxazol-5-yl)-methyl]-5-oxo-5H-indole-2-carboxylic acid ethyl ester

5-羟基吲哚-2-甲酸乙酯

ethyl 4-hydroxy-5-oxo-5H-indole-2-carboxylate

2-Benzyloxycarbonylamino-4-nitro-pentanedioic acid dimethyl ester