19199-56-5
→
19180-49-5
6-(trifluoromethyl)-10H-phenoxazine-1-carboxylic acid
19191-25-4
24034-22-8
2-溴-1-硝基-3-三氟甲苯
573-54-6
2-溴-3-硝基苯甲酸
19191-44-7