Synonyms: Phosphorochloridicacid, cyclic o-phenylene ester (8CI);o-Phenylene phosphorochloridate(6CI,7CI);Pyrocatechol, cyclic phosphorochloridate (8CI);1,2-Phenylenephosphorochloridate;1,2-Phenylene phosphorochloridate ((C6H4O2)ClPO);2-Chloro-1,3,2-benzodioxaphosphole 2-oxide;2-Chloro-1,3-dioxa-2-phosphaindan2-oxide;2-Chloro-2-oxobenzo-1,3,2-dioxaphosphole;Catecholcyclophosphorochloridate;O,O-(o-Phenylene) chlorophosphate;o-Phenylenechlorophosphate;