2,5,7,7-TETRAMETHYLOCTANAL

2,5-ANHYDRO-D-GLUCITOL-1,6-DIPHOSPHATE

2,5-BIS(1-NAPHTHYL)-1,3,4-OXADIAZOLE

2,5-BIS(4'-DIETHYLAMINOPHENYL)-1,3,4-OXADIAZOLE

2,5-BIS(CHLOROMETHYL)-P-XYLENE

1,4-Dibromo-2,5-dimethoxybenzene

1,4-Dibromo-2,5-dimethoxybenzene

2,5-Dichlorobenzene-1,4-diamine

2,5-Dichlorobenzene-1,4-diamine

1,4-DICHLORO-2-IODOBENZENE