Propofol EP Impurity L

2,2-Dimethyl-4-(1-methylethyl)-|2,2-dimethyl-4-(1-methylethyl)-1,3-benzodioxole|4-Isopropyl-2,2-dimethylbenzo[d][1,3]dioxole|Propofol BP Impurity L ; 2,2-Dimethyl-4-(1-methylethyl)-1,3-benzodioxole ;