1-Methyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid

1-methyl-N-phenyl-2,3-dihydro-1H-pyrrolo[2,3-b]quinolin-4-amine

1-Pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carboxylic acid

1-propyl-1H-pyrrole

1-PROPYL-3-(3,5-XYLYL)UREA

1-PYRIDIN-3-YL-3-M-TOLYL-PROPENONE

1-Methyl-4-[2-(4-morpholinyl)ethyl]-3,3-diphenyl-2-pyrrolidinone

1-METHYL-4-(4-NITROBENZYLIDENE)-1,4-DIHYDROPYRIDINE

1-Nonen-4-ol

1-O-BENZOYL-2-O-(METHYLSULFONYL)-BETA-D-ARABINOSIDE

1-O-METHYL-ALPHA-D-GLUCOSIDE HYDRATE

1-THIOHEXITOL

1-way stopcock

1,1'-(1-BENZOYL-2,5-DIMETHYL-1H-PYRROLE-3,4-DIYL)BIS(N,N,N-TRIMETHYLMETHANAMINIUM) IODIDE

1,1'-(1,3-PHENYLENE)BIS(3-PHENYLUREA)