1-METHYL-3-(2,4,5-TRICHLOROPHENYL)UREA

1-METHYL-2-NITROMETHYLENE-PYRROLIDINE

1-METHYL-3-(3-TRIFLUOROMETHYLPHENYL)UREA

1-METHYL-4-PENTADECYL-2(1H)-QUINOLONE SEMICARBAZONE

1-methyl-5-oxo-3-pyrrolidinecarboxamide

1-methyl-N-{4-[(E)-phenyldiazenyl]-5,6,7,8-tetrahydro-1-naphthalenyl}-4-piperidinamine

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

1-Propyl-2,4(1H,3H)-pyrimidinedione

1-PROPYL-4-[6-(4-PROPYLPHENYL)HEXYL]BENZENE

1-Methyl-4-[(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]-1H-pyrazole

1-Methyl-4-(4-nitrophenyl)piperazine

1-O-(4-NITROBENZOYL)-2,3,4,6-TETRA-O-BENZYL-ALPHA-D-GLUCOPYRANOSE

1-O-METHYL-2,3,4,6-TETRA-O-BENZOYL-BETA-D-GLUCOPYRANOSIDE

1-THIOHEXITOL

1-way stopcock