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4H-Cyclopenta[b]thiophene-3-carboxylicacid, 2-amino-5,6-dihydro-, ethyl ester , its cas register number is 4815-29-6. It also can be called 2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid ethyl ester ; 2-Amino-cyclopentano-[b]-thiophen-3-carbonsaeureethylester ; Ethyl 2-Amino-4H,5H,6H-Cyclopenta[B]Thiophene-3-Carboxylate ; Ethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]-thiophene-3-carboxylate ; Ethyl 2-aminocyclopenta[b]thiophene-3-carboxylate . 4H-Cyclopenta[b]thiophene-3-carboxylicacid, 2-amino-5,6-dihydro-, ethyl ester (CAS NO.4815-29-6) is a light yellow to beige-brown crystalline powder.
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