Buflomedil - 4-(1-Pyrrolidinyl)-1-(2,4,6-trimethoxyphenyl)-1-butanone Hydrochloride; Buflomedil EP IMP A - 1-(2-Hydroxy-4,6-dimethoxyphenyl)-4-(pyrrolidin-1-yl)butan-1-one ; Buflomedil EP IMP C - 1-(2,4-Dihydroxy-6-methoxyphenyl)-4-(pyrrolidin-1-yl)butan-1-one ;