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(2020/09/02)Ethyl 2-(3-p-Chlorobenzoyl-1-methylindole)acetate
(1-Methyl-3-p-tolylazo-1H-indol-2-yl)-acetic acid ethyl ester
[3-(4-Chloro-phenylazo)-1-methyl-1H-indol-2-yl]-acetic acid ethyl ester
[3-(4-Methoxy-phenylazo)-1-methyl-1H-indol-2-yl]-acetic acid ethyl ester
[1-Methyl-3-(4-nitro-phenylazo)-1H-indol-2-yl]-acetic acid ethyl ester