2-ANILINO-1,4-NAPHTHOQUINONE

2-BROMO-1,3-BIS-(4-NITRO-PHENYL)-PROPANE-1,3-DIONE

2-BROMO-7-NITRO-9H-FLUORENE

2-CHLORO-3-(5-CHLORO-2-METHOXY-PHENYLAMINO)-(1,4)NAPHTHOQUINONE

2-CYANO-3-((2-ETHYL-6-METHYL-PHENYL)-METHYL-AMINO)-ACRYLIC ACID ETHYL ESTER

2-CYANO-3-(5-(4-NITRO-PHENYL)-FURAN-2-YL)-ACRYLIC ACID METHYL ESTER

2-CYANOMETHYL-BENZOIMIDAZOLE-1-CARBOXYLIC ACID ETHYL ESTER, HYDROCHLORIDE

2-HYDROXY-BENZOIC ACID (5-(3-NITRO-PHENYL)-FURAN-2-YLMETHYLENE)-HYDRAZIDE

2-METHOXY-6-((4-PYRIDIN-2-YL-PIPERAZIN-1-YLIMINO)-METHYL)-PHENOL

2-PHENYL-4-(4-PYRIDINYLMETHYLENE)-1,3-OXAZOL-5(4H)-ONE

2-PHENYL-QUINOLINE-4-CARBOXYLIC ACID (1-PHENYL-ETHYLIDENE)-HYDRAZIDE

2,2'-(OCTYLAZANEDIYL)DIACETIC ACID

2,2-DIMETHYL-N-(2-TRIFLUOROMETHYL-BENZYL)-PROPIONAMIDE

2,2,3,3,4,4-HEXAFLUORO-PENTANEDIOIC ACID; DI-SODIUM SALT

2,5-DICHLORO-3,6-DIETHOXY-4-HYDROXY-4-PHENYLETHYNYL-CYCLOHEXA-2,5-DIENONE