Patent ID: RE41289

Claim:
A compound selected from the group consisting of: 3-methyl-4,6-dioxo-5-phenylhexahydropyrimidine-5-acetic Acid, Adamantanemethyl Ester adamantan- 1 - ylmethyl ( 1 - methyl - 4 , 6 - dioxo - 5 - phenyl - 2 - thioxohexahydropyrimidin - 5 - yl ) acetate 3-methyl-4,6-dioxo-5-phenylhexahydropyrimidine-5-acetic Acid, Cyclohexyl Ester cyclohexyl 2 -( 1 - methyl - 4 , 6 - dioxo - 5 - phenyl - 2 - thioxohexahydropyrimidin - 5 - yl ) acetate 3-methyl-4,6-dioxo-5-δ 2 -cyclopentylhexahydropyrimidine-5-acetic Acid Adamantanemethyl Ester adamantan- 1 - ylmethyl ( 5 - cyclopent - 2 - en - 1 - yl - 1 - methyl - 4 , 6 - dioxo - 2 - thioxohexahydropyrimidin - 5 - yl ) acetate 3-methyl-4,6-dioxo-5-δ 2 -cyclopentylhexahydropyrimidine-5-acetic Acid Cyclohexyl Ester cyclohexyl 2 -( 5 -( cyclopent - 2 - enyl )- 1 - methyl - 4 , 6 - dioxo - 2 - thioxohexahydropyrimidin - 5 - yl ) acetate and pharmaceutically acceptable salts thereof.