1,2-DIBROMOTETRACHLOROETHANE

1,2-DICHLORO-2-IODO-1,1,2-TRIFLUOROETHANE

1,2-Dihydro-1-methyl-3-nitro-2-oxo-4-pyridinecarboxylic acid methyl ester

N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline

1,2-Dihydro-2-oxo-4-pyridinecarboxamide

1,2-DIIODOTETRAFLUOROETHANE

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