(Z)-3-[1-(2,6-dimethylphenyl)-1H-pyrrol-3-yl]-2-butenoic acid 、
N-甲基羟胺 以to yield (Z)-3-[1-(2,6-dimethylphenyl)-1H-pyrrol-3-yl]-N-hydroxy-N-methyl-2-butenamide, m.p. 158°-160°的产率得到(Z)-3-[1-(2,6-dimethylphenyl)-1H-pyrrol-3-yl]-N-hydroxy-N-methyl-2-butenamide