artemether
Hangzhou Sunwell Chemical Co., Ltd.
atracurium Besilate
Hangzhou Sunwell Chemical Co., Ltd.
avermectin B1
Hangzhou Sunwell Chemical Co., Ltd.
azathioprine
Hangzhou Sunwell Chemical Co., Ltd.
azelastine HCL
Hangzhou Sunwell Chemical Co., Ltd.
azteronam
Hangzhou Sunwell Chemical Co., Ltd.
4aa(4-acetoxyazetidin-2-one)
Hebei Worldstar Chemical Co., Ltd.
alkaline gentamicin C1a
Renhua Henan Biological Technology Co.,
Isopropyl 2-(3-nitrobenzylidene)acetoacetate
Henan Xuchang Haofeng Chemical Techology Co.,Ltd.
1-(Diphenylmethyl)azetidin-3-yl cyanoacetate
Henan Xuchang Haofeng Chemical Techology Co.,Ltd.
Isobutyryl acetate
Henan Yu Chen Pharmaceutical Co., Ltd
atorvastatin Intermediate a5
Henan Yu Chen Pharmaceutical Co., Ltd
atorvastatin Intermediate M4
Henan Yu Chen Pharmaceutical Co., Ltd
atorvastatin Intermediate a8
Henan Yu Chen Pharmaceutical Co., Ltd
3-Tbdmso- Glutaric anhydride
Henan Yu Chen Pharmaceutical Co., Ltd
Saliclylic acid
JQC (Huayin) Pharmaceutical Co., Ltd.
aspirin
JQC (Huayin) Pharmaceutical Co., Ltd.
Methoxyethyl - 2- (3-nitrobenzylidene) acetoacetate
Jinan Kehui Pharmaceutical Sci. & Rec. Co., Ltd.