1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H,5H,6H,7H,8H-pyrido[2,3-d]pyrimidine-6-carboxylic acid

1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-carboxylic acid

1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-sulfonyl chloride

1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-7-carboxylic acid

1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid

1,3-dimethyl-2,4-dioxo-6-(piperidin-1-yl)-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde

1,3-dimethyl-2,4-dioxo-6-(pyrrolidin-1-yl)-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde

1,3-dimethyl-2,5-dihydro-1H-1lambda5-phosphol-1-one

1,3-dimethyl-2,5-dihydro-1H-pyrrole-2,5-dione

1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carbaldehyde

1,3-dimethyl-2-(methylsulfanyl)-1H-1,3-benzodiazol-3-ium iodide

1,3-dimethyl-2-(prop-2-yn-1-yl)benzene

1,3-dimethyl-2-nitrobenzene

1,3-dimethyl-2-oxabicyclo[2.1.1]hexan-4-amine hydrochloride

1,3-dimethyl-2-oxabicyclo[2.1.1]hexane-4-carbaldehyde

1,3-dimethyl-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid

1,3-dimethyl-2-oxabicyclo[2.2.2]octan-4-amine hydrochloride

1,3-dimethyl-2-oxabicyclo[2.2.2]octane-4-carboxylic acid

1,3-dimethyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid

1,3-dimethyl-2-oxo-1,2-dihydroquinoxaline-6-carboxylic acid

1,3-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-4-carbaldehyde

1,3-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-4-carboxylic acid

1,3-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carbaldehyde

1,3-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylic acid

1,3-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-sulfonamide

1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylic acid

1,3-dimethyl-2-oxo-octahydro-1H-1,3-benzodiazole-5-carboxylic acid

1,3-dimethyl-2-oxoimidazolidine-4-carboxylic acid

1,3-dimethyl-2-sulfanylidene-1,3-diazinane-4,6-dione

1,3-dimethyl-2-[(2-oxopropyl)sulfanyl]-1H-imidazol-3-ium chloride

1,3-dimethyl-3-nitrosothiourea

1,3-dimethyl-3-nitrosourea

1,3-dimethyl-3-phenylpiperazine

1,3-dimethyl-4,5,6,7-tetrahydro-1H-indazol-4-one

1,3-dimethyl-4,5,6,7-tetrahydro-1H-indazol-5-amine

1,3-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

1,3-dimethyl-4,5-dihydro-1H-pyrazol-4-one hydrochloride

1,3-dimethyl-4,5-dihydro-1H-pyrazol-5-one

1,3-dimethyl-4-(1H-pyrazol-3-yl)-1H-pyrazole

1,3-dimethyl-4-(pyrrolidin-2-yl)-1H-pyrazole

1,3-dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

1,3-dimethyl-4-nitro-1H,2H,3H-imidazo[4,5-c]pyridin-2-one

1,3-dimethyl-4-nitro-1H-pyrazol-5-amine

1,3-dimethyl-4-nitro-1H-pyrazol-5-ol

1,3-dimethyl-4-nitro-1H-pyrazole