3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]methyl}-4-methylpentanoic acid

9-benzyl-3-(4-bromobenzyl)-1-methyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

9-(4-bromophenyl)-3-cinnamyl-1-methyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

9-(4-bromophenyl)-3-(4-fluorobenzyl)-1,7-dimethyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

9-(5-chloro-2-methylphenyl)-1-methyl-3-(3-phenylpropyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

1-methyl-9-(4-methylphenyl)-3-[(2E)-3-phenylprop-2-en-1-yl]-1H,2H,3H,4H,6H,7H,8H,9H-pyrimido[1,2-g]purine-2,4-dione

3-isopentyl-1-methyl-9-(o-tolyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

3-allyl-1-methyl-9-(4-phenoxyphenyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

2-Hydroxymethyl-tetrahydro-pyran-4-ol

3-cinnamyl-1-methyl-9-(o-tolyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

9-(3-chlorophenyl)-3-cinnamyl-1-methyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione