Table 1 Molecular structures, formulas and weights of the investigated inhibitors.

HM-1228

5-((4'-(Dimethylamino)-[1,1'-biphenyl]-4-yl)methylene)-1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione

C₂₃H₂₅N₃O₂S

(407.53)

HM-1227

5-((4'-(Dimethylamino)-[1,1'-biphenyl]-4-yl)methylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione

C₁₉H₁₇N₃O₂S

(351.42)

HM-1226

5-((4'-(Dimethylamino)-[1,1'-biphenyl]-4-yl)methylene)pyrimidine-2,4,6(1H,3H,5H)-trione

C₁₉H₁₇N₃O₃

(335.36)