白屈菜酸/4-吡喃酮-2,6-二羧酸/ chelidonic acid/ CAS：99-32-1 (含量,98%;年产量10吨)
1,10-phenathrolinedione (1,10-邻菲罗啉二酮; CAS：27318-90-7); 4,5-二氮芴-9-酮(4,5-Diazafluoren-9-one; cas: 50890-67-0)
1,3,5-三(溴甲基)苯/1,3,5-三(溴甲基)苯/均三溴苄/均三溴苄/3,5-三(溴甲基)苯/ CAS: 18226-42-1
Dimethyl 4,5-imidazoledicarboxylate/4,5-咪唑二羧酸二甲酯/
3,5-二溴水杨酸/3,5-dibromo-2-hydroxy-benzoicac/cas:3147-55-52,2'-联吡啶-4,4'-二羧酸/2,2'-Bipyridyl-4,4'-dicarboxylic acid/4,4'-Dicarboxy-2,2'-bipyridine/cas: 6813-38-3 (含量,98%;年产量10吨)cas：6813-38-32,2'-联吡啶-3,3'-二羧酸/2,2'-Bipyridyl-3,3'-dicarboxylic acid/3,3'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)cas:4433-01-6
2,2'-联吡啶-5,5'-二羧酸/2,2'-Bipyridyl-5,5'-dicarboxylic acid/5,5'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)cas:1802-30-8
2,2'-联吡啶-6,6'-二羧酸/2,2'-Bipyridyl-6,6'-dicarboxylic acid/6,6'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)cas: 4479-74-7