Sigma-Aldrich
1,2-BIS-CHLOROMETHYL-4,5-DIMETHYL-BENZENE
1,2-BIS(2-METHYL-4-PENTENOYL)HYDRAZINE
1,2-BIS(4-CHLOROPHENOXY)ETHANE
1,3-BIS(2,2,2-TRIPHENYLETHYL)BENZENE
1,3-BIS(3-ACETYLPHENYL)-2-THIOUREA
1,3-BIS(4-(DIMETHYLAMINO)PHENYL)-2-THIOUREA
1,3-BIS(4-CHLOROPHENYL)-2-THIOUREA
1,3-Bis(4-phenyl-5-methylthiazol-2-yl)benzene
1,2-dibromo-4-(1,2-dibromo-1-methylethyl)-1-methylcyclohexane
1,2-DICHLORO-1,2-DIPHENYLETHANE
1,2-DICHLORO-4-IODO-HEPTAFLUORO-N-BUTANE
1,2-DIHEXYLOXY-4-NITROBENZENE
1,3-DI-THIOPHEN-2-YL-PROPENONE
1,3-dibenzyl-2-imidazolidinethione
1,3-Dibromo-2,2-dimethoxypropane