methyl 2-(2,3-dihydroindol-1-yl)acetate

methyl 2-pyrrolo[2,3-b]pyridin-1-ylacetate

1-甲基-1H-吡咯并[2,3-B]吡啶-2-羧酸乙酯

吲哚-2-羧酸甲酯