Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality 4H-3,1-Benzoxazin-4-one,2-methylCAS NO.: 525-76-8
High quality 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dimethyl-7-oxo-6-[(2-phenoxyacetyl)amino]-, (2S,5R,6R)CAS NO.: 87-08-1