Zhengzhou Eiffel Chemical Co., Ltd..
Country: 
China (Mainland)
Business Type: Lab/Research institutions
Mr.liu
Tel: 15993358503
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BrCH2CONH-PEG3-COOtBu（1807537-33-2）CAS NO.: 1807537-33-2
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BrCH2CONH-PEG3-N3（940005-81-2）CAS NO.: 940005-81-2
Bromo-PEG2-azide（530151-56-5）CAS NO.: 530151-56-5
