白屈氨酸/ Chelidamic acid/γ-吡喃酮-2,6-二羧酸/4-氧-4H-吡喃-2,6-二羧酸/4-Hydroxypyridine-2,6-dicarboxylic acid/ CAS：138-60-3 (含量,98%;年产量10吨)
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(***甲基)苯/1,3,5-三(***甲基)苯/均三***苄/均三***苄/3,5-三(***甲基)苯/ CAS: 18226-42-1
Dimethyl 4,5-imidazoledicarboxylate/4,5-咪唑二羧酸二甲酯/
3,5-二***水杨酸/3,5-dibromo-2-hydroxy-benzoicac/cas:3147-55-5