Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamineCAS NO.: 29841-69-8
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High Quality (-)-Dibenzoyl-L-tartaric acid monohydrateCAS NO.: 62708-56-9