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2,2'-联***-4,4'-二羧酸/2,2'-联***-4,4'-二甲酸/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)2,2'-联***-3,3'-二羧酸/2,2'-联***-3,3'-二甲酸/2,2'-Bipyridyl-3,3'-dicarboxylic acid/3,3'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)/2,2'-联***-5,5'-二羧酸/2,2'-联***-5,5'-二甲酸/2,2'-Bipyridyl-5,5'-dicarboxylic acid/5,5'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)/2,2'-联***-6,6'-二羧酸/2,2'-联***-6,6'-二甲酸/2,2'-Bipyridyl-6,6'-dicarboxylic acid/6,6'-Dicarboxy-2,2'-bipyridine (含量,98%;年产量10吨)/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100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)/1,2,3-三氮唑-4,5-二羧酸/4,5-咪唑二羧酸