2,3-二氢-1H-吲哚-2-羧酸甲酯

(±)-吲哚啉-2-羧酸

1H-​Indole-​2-​carboxylic acid, 1-​acetyl-​2,​3-​dihydro-​, methyl ester

5-硝基-2-吲哚啉羧酸

methyl 1-acetyl-5-nitroindoline-2-carboxylate