1,2,3-Benzenetricarboxylic acid hydrate

1,2,3-THIADIAZOLE-4-CARBOXYLIC ACID

1,2,3-TRIPHENYLCYCLOPROPENE

1,2,4-TRIPHENYL-1,4-BUTANEDIONE

1,2,5,6-DIEPOXYCYCLOOCTANE

1,2,5,6-Tetrahydro-2,2,4,6,6-pentamethyl-1-pyrimidinol

1,2,5,6-Tetrahydro-2,2,4,6,6-pentamethyl-1-pyrimidinol

1,2,5-Trimethyl-pyridinium iodide

Dicyclopentadiene diepoxide

1,2:5,6-Di-O-isopropylidene-alpha-D-allofuranose

1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol