1-ISOBUTYL-3-(2,5-XYLYL)UREA

1-isocyanato-4-[1-(4-isocyanatophenyl)-1-methylethyl]benzene

1-ET-4-HO-2-OXO-1,2-2H-QUINOLINE-3-CARBOXYLIC ACID (5-METHYL-THIAZOL-2-YL)-AMIDE

1-ET-4-HO-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID N'-TRIDECANOYL-HYDRAZIDE

1-ETHOXY-4-[(4-ETHOXYPHENYL)(DIIODO)-LAMBDA(4)-TELLANYL]BENZENE

1-ETHOXYCARBONYL-4-(2-METHOXY-5-METHYLPHENYL)SEMICARBAZIDE

1-ETHYL-1-METHYL-PIPERIDINIUM, IODIDE

1-Isopropyl-1H-pyrazole-4-carboxylic acid

1-ETHYL-3-(1-(3-(1-(3-ETHYL-UREIDO)-1-METHYL-ETHYL)-PHENYL)-1-METHYL-ETHYL)-UREA

1-ETHYL-3-(2-METHOXYPHENYL)UREA

1-ETHYL-3-(3-NITROPHENYL)UREA

1-ETHYL-3-(5-OXO-2-THIOXO-IMIDAZOLIDIN-4-YLIDENE)-1,3-DIHYDRO-INDOL-2-ONE

1-ETHYL-3-METHYL-4-PHENYL-2-AZETIDINONE

1-ethyl-3-pyrrolidinyl 4-aminobenzoate

1-Methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid