China 1- (Benzo[d][1, 3]dioxol-5-yl) -2-Bromopropan-1-One with Safe Delivery CAS No. 52190-28-0 Pmk CAS No. 52190-28-0, Find details about China Chemical Raw Material, Medical Intermediate from 1- (Benzo[d][1, 3]dioxol-5-yl) -2-Bromopropan-1-One with Safe Delivery CAS No. 52190-28-0 Pmk CAS No. 52190-28-0