Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 7H-Pyrrolo[2,3-d]pyrimidin-4-amine,N-methyl-N-[(3R,4R)-4-methyl-3-piperidinyl]CAS NO.: 477600-74-1
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High Quality 1,4-Benzenediamine,2,3,5,6-tetramethylCAS NO.: 3102-87-2
High Quality 2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3R)CAS NO.: 490-46-0