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(2007/10/02)2-acetoxyethyl acetoxymethyl ether
7-Phenyl-2,4-bis-trimethylsilanyloxy-thieno[3,2-d]pyrimidine
4-Phenyl-3-ureido-thiophene-2-carboxylic acid ethyl ester
7-phenylthieno<3,2-d>pyrimidine-2,4-dione
methyl 3-amino-4-(4-toluyl)-2-thiophenecarboxylate