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Nanjing Clasien Pharmaceutical & Chemical Co., Ltd, based in China, is a pharmaceutical company.
One of their notable product Bis[(3R,4R)-1-benzyl-N,4-diMethylpiperidin-3-aMi ne]dip-toluyl-L-tartrate with CAS Number 477600-71-8.
and End Use API Tofacitinib Citrate