7767-60-4, 4,6-DIHYDROTHIENO[3,4-B]THIOPHENE-2-CARBOXYLIC ACID METHYL ESTER
800-988-0390
http://www.tcichemicals.com
+852 2390 2293
http://www.advtechind.com
1-503-283-1681
http://www.tciamerica.com
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