1,2-BIS(4-NITROPHENYL)HYDRAZINE

1,2-BIS(ETHYLTHIO)ETHYNE

1,2-BIS(PHENYLUREIDO)ETHANE

1,2-DI-PARA-TOLYLETHANE

1,2-DIBENZYL-1,1,2,2-TETRAMETHYLDISILANE

1,2-DIHYDRO-2-(2,3-DIMETHOXYPHENYL)-4(3H)-QUINAZOLINONE

1,2-DIHYDRO-2-(4-METHOXYPHENYL)-4(3H)-QUINAZOLINONE

1,2-DIHYDRO-4,6-DIMETHYL-1-(3-METHOXYSALICYLIDENEAMINO)-2-OXONICOTINONITRILE

1,2-DIIODO-4,5-DIMETHYL-BENZENE

1,2-dimethyl-1-[3-(trifluoromethyl)phenyl]hydrazine hydrochloride

1,2-DIMETHYL-4-({4-[(4-METHYLPHENYL)SULFANYL]PHENYL}SULFONYL)BENZENE

1,2-Diphenyl-1-(2-pyridinyl)-2-propanol

1,2-DIPHENYL-3-(4-METHYLBENZOYL)AZIRIDINE

1,2,3-TRIBROMO-5-NITROBENZENE

1,2,3-TRIS-BROMOMETHYL-5-METHOXY-BENZENE