<4-(4-Chlor-benzoyl)-1-methyl-pyrrol-2-yl>-acetonitril 、
对甲基苯甲酰氯 、
(1-甲基-2-吡咯基)乙腈 以a 25% yield of the α-product, 5-(p-toluoyl)-1-methylpyrrole-2-acetonitrile, is obtained with an alpha to beta isomer ratio of 3.7:1 [see Carson et al., J. Med. Chem., 14, 646 (1971)]的产率得到2-[1-甲基-5-(4-甲基苯甲酰基)吡咯-2-基]乙腈