China Pharmaceutical Intermediate Chemical 1- (benzo[d][1, 3]dioxol-5-yl) -2-Bromopropan-1-One CAS 52190-28-0 with Factory Price, Find details about China White Powder, New BMK from Pharmaceutical Intermediate Chemical 1- (benzo[d][1, 3]dioxol-5-yl) -2-Bromopropan-1-One CAS 52190-28-0 with Factory Price