Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2-Pyrrolidinone,1-(4-methoxybenzoyl)CAS NO.: 72432-10-1
High Quality Benzamide,4-chloro-N-[2-(4-morpholinyl)ethyl]CAS NO.: 71320-77-9