3,6-dihydro-4-methyl-2-thioxo-6-(2-trifluoromethylphenyl)-1,5(2H)-pyrimidinedicarboxylic acid, 1-(1-((4-fluorophenyl)methyl)-4-piperidinyl) 5-(1-methylethyl) ester, R(-)-isomer
3,6-dihydro-4-methyl-2-thioxo-6-(2-trifluoromethylphenyl)-1,5(2h)-pyrimidinedicarboxylic acid, 1-(1-((4-fluorophenyl)methyl)-4-piperidinyl) 5-(1-methylethyl) ester, r(-)-isomer