8-{4-[(2-Chlorophenyl)methoxy]phenyl}-1,3-dimethyl-1,3,5-trihydroimidazolidino [1,2-h]purine-2,4-dione

N-(3,4-dimethoxyphenyl)-2-(6-ethyl-5-methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)acetamide

2-(3-Bromo-4-fluorophenyl)cyclobutan-1-one

2-(6-ethyl-5-methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(2-(trifluoromethyl)phenyl)acetamide

Ethyl 3-(4-methyl-1,3-thiazol-2-yl)prop-2-ynoate

2-(6-ethyl-5-methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(furan-2-ylmethyl)acetamide

Ethyl 3-(1,3-thiazol-2-yl)prop-2-ynoate

N,N-diethyl-2-(6-ethyl-5-methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)acetamide

Ethyl 3-(1,3-benzothiazol-2-yl)prop-2-ynoate

N-allyl-2-(6-ethyl-5-methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)acetamide

Ethyl 3-(5-acetylthiophen-2-yl)prop-2-ynoate