Shanghai united Scientific Co.,Ltd.
Country: China (Mainland)
Business Type: Lab/Research institutions
5-formyl-2,4-dimethyl-1H-pyrrole-3- carboxylic acidCAS NO.: 253870-02-9
4-Acetylamino-5-Amino-2-Methoxybenzoic Acid Methyl EsterCAS NO.: 77495-40-0