EPB1220000
Ibuprofen impurity B - (2RS)-2-(4-Butylphenyl)propionic acid (0,06% solution in Acetonitrile)
EPB1157410
Buflomedil impurity B - 4-(pyrrolidin-1-yl)-1-(4-hydroxy-2,6-dimethoxyphenyl)butan-1-one
Ibuprofen impurity B - (2RS)-2-(4-Butylphenyl)propionic acid (0,06% solution in Acetonitrile)
Buflomedil impurity B - 4-(pyrrolidin-1-yl)-1-(4-hydroxy-2,6-dimethoxyphenyl)butan-1-one