Synonyms:
methyl4h-thieno[3,2-c]chromene-2-carboxylate ; methyl 4h-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate ; 4h-thieno[3,2-c][1]benzopyran-2-carboxylicacid, methyl ester ; methyl 4h-(1)-benzopyrano(4 3-b)thiophe& ; methyl 4h-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate 97% ; methyl 4h-thieno[3,2-c]chromene-2-carboxylate