2H-1-BENZOPYRAN, 6-BROMO-2-(4-CHLOROPHENYL)-8-METHOXY-3-NITRO- 5-17-04-00590 (Beilstein Handbook Reference) 57544-22-6 6-Bromo-2-(4-chlorophenyl)-8-methoxy-3-nitro-2H-1-benzopyran BRN 1398809