2,5-DI-NAPHTHALEN-2-YL-THIOPHENE

2,4-DIHYDROXY-5-HEXYLBENZALDEHYDE

2,5-DICHLORO-N-(2-NITROBENZYLIDENE)ANILINE

2,5-dichloro-N-methylaniline

2,5-DICHLOROPHENYL METHYLTHIOMETHYL SULFIDE

2,4-DIMETHYL-3-ETHYLPYRROLIDINE

2,4-Dimethyl-5-nitroaniline

2,4-DIMETHYL-7-NITRO-9-THIA-1-AZA-4A-AZONIA-FLUORENE, PERCHLORATE

2,4-DIMETHYLBENZENESULFONAMIDE

2,4-DINITRO-2'-METHOXYSTILBENE

2,4-DINITRO-4'-ETHOXYDIPHENYLAMINE

2,4-DINITROPHENETOLE

2,5-furandione 2-(phenylhydrazone)

2,5,6-TRIMETHYL-BENZOTHIAZOLE

2,5,7-TRINITRO-9-PYRIDIN-2-YLMETHYLENE-9H-FLUORENE-4-CARBOXYLIC ACID ME ESTER