Pharmaceutical IntermediateChina 2-Bromo-4-Chloropropiophenone 877-37-2, 6285-05-8, 4-Chloropropiophenone, Find details about China 4-Chloropropiophenone, 2-Bromo-4-Chloropropiophenone 6285-05-8 from 2-Bromo-4-Chloropropiophenone 877-37-2, 6285-05-8, 4-Chloropropiophenone