2,5-二吡啶羧酸英文名称:2,5-PYRIDINEDICARBOXYLIC ACIDCAS号:100-26-5分子式:C7H5NO4分子量:167.122-二甲基氨基嘧啶-5-甲醛英文名称:2-DIMETHYLAMINO-PYRIMIDINE-5-CARBALDEHYDECAS号:55551-49-0分子式:C7H9N3O分子量:151.17