methyl 4-(2-benzylbenzoyl)-2,5-dimethyl-1-(4-nitrophenethyl)pyrrole-3-carboxylate

2,5-二氯吡咯-3-羧酸甲酯

2-(benzyl)benzaldehyde

2-氯乙酰乙酸甲酯

1-(2-benzylphenyl)ethanone