3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-2-oxo-2H-chromen-8-yl propanoate

5-ethoxy-6-ethyl-1-methyl-3-(2-oxo-2-(4-phenylpiperazin-1-yl)ethyl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

Methyl 6-(3-ethoxy-3-oxoprop-1-yn-1-yl)pyridine-2-carboxylate

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

Ethyl 3-{imidazo[1,2-b]pyridazin-6-yl}prop-2-ynoate

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

2-(3-Ethoxy-3-oxoprop-1-yn-1-yl)benzoic acid

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

Ethyl 3-(3-formylphenyl)-2-propynoate

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

3-(3-Ethoxy-3-oxoprop-1-yn-1-yl)benzoic acid