1,2-DICHLOROTETRAFLUOROCYCLOBUT-1-ENE

1,2-NAPHTHALENEDICARBONITRILE

1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE

1,2-DIMETHOXY-4-ETHYLBENZENE

1,2-DIMETHYL-1H-IMIDAZOLE-4-SULFONYL CHLORIDE

1,2-Dimethyl-5-nitroimidazole

1,2-Epoxy-4-vinylcyclohexane

1,2-Epoxy-4-vinylcyclohexane