1 OD2 2-[6-(4-methylsulfanylphenyl)thieno[3,2-D]pyrimidin-4-yl]sulfanylethanoic acid 1.000 2 QM2 2-[6-(4-cyclopropylphenyl)thieno[3,2-D]pyrimidin-4-yl]sulfanylethanoic acid 0.800 3 OBW 2-[6-(1-benzothiophen-2-yl)thieno[3,2-D]pyrimidin-4-yl]sulfanylethanoic acid 0.731