Profile: Changzhou Qihua Chemical Co., Ltd. offers dimethylaminoacetonitrile, 2-thiomethylpyrimidine-4-carboxylic acid, 2-methyl-4-pyrimidinecarboxylic acid, 2-hydroxy-isonicotinic acid ethyl ester, 2-(2,3-dimethyl-phenyl)-4-oxo-3,5,7,8-tetrahydro-4H-pyrido[4,3-d]pyrimidine-6-carboxylic acid tert-butyl ester, 7-bromo-4-fluoroindole and (4-methoxy-2-methyl-phenyl)-hydrazine.