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

1-METHYL-2,3,4,9-TETRAHYDRO-1H-BETA-CARBOLINE-3-CARBOXYLIC ACID

1-ethyl-4-(4-morpholinyl)-2,2-diphenylbutyl acetate hydrochloride

1-ETHYL-4-METHYLPIPERIDINE

1-ETHYL-5,6-DINITRO-1H-BENZOIMIDAZOLE

1-methyl-2-(1-methyl-1H-indol-3-yl)ethylamine 2-hydroxy-1,2,3-propanetricarboxylate

1-METHYL-2-(4-(NAPHTHALEN-2-YLAMINO)-BUTA-1,3-DIENYL)-QUINOLINIUM, PERCHLORATE

1-FURFURYL-1-METHYL-3-(3-NITROPHENYL)UREA