1-methyl-2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid

1-methyl-2,3-dioxo-2,3-dihydro-1H-indole-5-carboxylic acid

1-methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione

1-methyl-2,4-dinitrobenzene

1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile

1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbothioamide

1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide

1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-sulfonyl chloride

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

1-methyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-sulfonamide

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

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

1-methyl-2,4-dioxo-2,4-dihydro-1H-3,1-benzoxazine-6-sulfonyl chloride

1-methyl-2,4-dioxo-7-phenyl-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylic acid

1-methyl-2,5-dihydro-1H-1,2,3,4-tetrazole-5-thione

1-methyl-2,5-dihydro-1H-1lambda5-phosphol-1-one

1-methyl-2,5-dihydro-1H-pyrrole

1-methyl-2,5-dihydro-1H-pyrrole-2,5-dione

1-methyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid hydrochloride

1-methyl-2,6,7-trioxabicyclo[2.2.2]octan-4-amine

1-methyl-2,6-dioxa-9-azaspiro[4.5]decane

1-methyl-2-(1-methyl-1H-imidazol-2-yl)piperazine

1-methyl-2-(1-methyl-1H-imidazole-2-carbonyl)-1H-imidazole

1-methyl-2-(1-methyl-1H-pyrazol-4-yl)-5-oxopyrrolidine-3-carboxylic acid

1-methyl-2-(1-methyl-1H-pyrazol-4-yl)-6-oxopiperidine-3-carboxylic acid

1-methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-oxopyrrolidine-3-carboxylic acid

1-methyl-2-(1-methyl-1H-pyrazol-5-yl)piperidin-4-amine trihydrochloride

1-methyl-2-(1-methyl-1H-pyrrole-2-carbonyl)-1H-pyrrole

1-methyl-2-(2-methyl-1,3-thiazol-4-yl)-1H-1,3-benzodiazole

1-methyl-2-(3-methyl-1,2,4-oxadiazol-5-yl)piperazine dihydrochloride

1-methyl-2-(3-methylpyrrolidin-3-yl)pyrrolidine

1-methyl-2-(3-nitrobenzoyl)-1H-imidazole

1-methyl-2-(3-nitrophenyl)-1H-1,3-benzodiazole

1-methyl-2-(4-nitrophenyl)-1H-imidazole

1-methyl-2-(methylamino)cyclopentan-1-ol

1-methyl-2-(methylsulfanyl)-1H-1,3-benzodiazole

1-methyl-2-(methylsulfanyl)-1H-imidazole

1-methyl-2-(methylsulfanyl)-1H-imidazole-5-carbaldehyde

1-methyl-2-(methylsulfanyl)-1H-imidazole-5-carboxylic acid

1-methyl-2-(methylsulfanyl)-4,5-dihydro-1H-imidazole hydroiodide

1-methyl-2-(methylsulfanyl)benzene

1-methyl-2-(oxane-4-carbonyl)-1H-imidazole

1-methyl-2-(oxetan-3-yl)piperazine

1-methyl-2-(oxolan-2-yl)-1,4,5,6-tetrahydropyrimidine hydrochloride

1-methyl-2-(piperazin-1-yl)-1H-1,3-benzodiazole dihydrochloride