(4-bromo-2-methylphenyl)-(2,5-dihydropyrrol-1-yl)methanone

2,5-二氢-1H-吡咯-1-羧酸乙酯

1-(2-bromo-4,5-dimethoxyphenyl)sulfonyl-2,5-dihydropyrrole

methyl 2,5-dihydropyrrole-1-carboxylate