6-Amino-5-(2-furoyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione

methyl 3-(2-furyl)-1H-pyrazole-5-carboxylate

[(4-ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)thio]acetic acid

3-(4-methoxybenzyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione

5,6-Dihydro-thiazolo[2,3-c][1,2,4]triazol-3-ylamine

2-(5-Amino-3-tert-butyl-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one

5-(2-苯并呋喃基)异噁唑-3-甲酸甲酯, methyl 5-(1-benzofuran-2-yl)isoxazole-3-carboxylate

5-(1-ethyl-2-methylene-1,2-dihydropyridin-3-yl)-4-methyl-4H-1,2,4-triazole-3-thiol

4-methyl-1-phenyl-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one

3-amino-1,5-dimethyl-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one

(8-Benzyl-2,4-dioxo-1,3,8-triaza-spiro[4.5]dec-3-yl)-acetic acid