1,1,3,3-tetraethoxy-2,2-dimethylpropane

1,2-BIS(4-METHOXYPHENYL)-2-ETHOXY-3-BUTYNE

1,2-bis(benzyloxy)-4-bromobenzene

1,2-BIS(P-TOLYL)-1,2-DICHLOROETHANE

1,2-BIS(TRITYL)HYDRAZINE

1,2-DIACETOXYANTHRAQUINONE

1,2-DIHYDRO-1-METHYL-2-PHENYLQUINOLINE

1,2-DIHYDRO-2-(4-(DIMETHYLAMINO)PHENYLIMINO)-1-ETHYLPYRIDINE

1,2-DIHYDRO-2-NAPHTHALENECARBOXYLIC ACID

1,2-DIHYDRO-4,6-DIMETHYL-2-OXO-1-(VANILLYLIDENEAMINO)NICOTINONITRILE

1,2-DIMETHOXY-3,4-DIMETHYL-5-IODOBENZENE

1,2-dimethyl-3-(4-methylphenyl)-3-pyrrolidinyl propanoate hydrochloride

1,2-DIMETHYLNAPHTHO(1,2-D)THIAZOLIUM METHYL SULFATE

1,2-DIPHENYL-1,2-ETHANEDIONE BIS(PHENYLHYDRAZONE)

1,2,2,4,6-pentamethylpiperidine hydrochloride