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Sigma-Aldrich Corporation
314 771 5765
http://www.sigma-aldrich.com
梯希爱(上海)化成工业发展有限公司
800-988-0390
http://www.tcichemicals.com
ACC Corporation
858 201 6118
http://www.acccorporation.com
TCI America
1-503-283-1681
http://www.tciamerica.com
ChemSampCo, Inc.
609 656 2440
http://www.chemsampco.com
Frontier Scientific Services Inc.
302 266 6891
http://www.frontierssi.com
Discovery Products and Services
302 737 5005
http://www.dpschem.com
Shanghai Specbiochem CO., LTD.
+86 21 5132 0052
http://www.specbiochem.com
MRV:3-叔丁基-5-乙基甲苯.cml