6-Hydroxy-2-(1-methylethylidene)-1-benzofuran-3(2H)-one

(7-Methyl-5-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidin-3-yl)acetic acid

methyl 5-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)isoxazole-3-carboxylate

[5-(4-methylphenyl)isoxazol-3-yl]acetic acid

2-morpholin-4-yl-7-phenyl[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one

2-morpholin-4-yl-7-(2-thienyl)[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one

4-methyl-1-phenyl-1H-pyrazolo[3,4-d]pyridazine-7-thiol

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

1-(4-ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid

5-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carboxylic acid

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