EPY0000244
Ketobemidone impurity B - B 1-[4-(3-hydroxyphenyl)-1-methylpiperidin-4-yl]ethanone
Ketobemidone impurity B - B 1-[4-(3-hydroxyphenyl)-1-methylpiperidin-4-yl]ethanone
Ketobemidone impurity C - 1-[4-(3-hydroxyphenyl)piperidin-4-yl]propan-1-one