1-Substituted-2-(2-pyridinyl)ethanone N-oxides

1-Substituted-2-(substituted-imino)-1H-1,2-dihydrobenz[cd]indole

1-Substituted-2-disubstituted aminoquin azolin-4(1h)-ones

1-Substituted-2-disubstitutedamino-pyrido[2,3-D]pyrimidin-4(1H)-

1-Substituted-2-imino-pyrido[2,3-d]pyrimidin-4(1H)-ones

1-Substituted-2-imino-quinazolin-4(1H)ones

1-Substituted-3-amidopyrrolidines

1-Substituted-4-(1,2-diphenylethyl)piperazine derivatives and th

1-Substituted-4-(2-oxo-1-imidazolidinyl) piperidines

1-Substituted-4-(2-oxo-hexahydro-1-pyrimidinyl)-piperidine

1-Substituted-4-benzylpiperidines

1-Substituted-6-(2-substituted aminoethoxy)xanthen-9-ones

1-Substitutedphenyl-4(1H)-pyridinone hydrazones

1-Succinoyl-2,4-disubstituted-4b,5,6,7,8,8a,9,10-octahydro-9-oxo

1-Tertiary-alkyl-3-(substituted furyl)ureas as antihypertensive

1-Tertiary-butyl-3-morpholino-3-phenyl-2,1-benzisoxaxolines

1-Tetrahydroxycyclopentyl-3-nitroso-3-(2-chloroethyl)-urea antit

1-Thiachromone-2-carboxylic acids and derivatives

1-Thiadiazoly-6-carbamoyloxytetrahydropyrimidinones

1-Thiadiazolyl-4-methoxymethyl-5-hydroxyimidazolidinones