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Sigma-Aldrich Corporation
314 771 5765
http://www.sigma-aldrich.com
J&K Scientific Ltd.
+86 10 8284 8833
http://www.jk-scientific.com
TCI (Shanghai) Development Co., Ltd.
800-988-0390
http://www.tcichemicals.com
MRV:7-DIETHYLAMINO-4-METHYLCOUMARIN.cml