Benzofuroxan ,its CAS NO. is 480-96-6,the synonyms is AI3-62099 ; Benzofurazan N-oxide ; Benzofurazan oxide ; Benzofurazan, 1-oxide ; EINECS 207-559-1 ; NSC 19930 ; 1-Benzo-2-oxa-1,3-diazole oxide ; 2,1,3-Benzoxadiazole, 1-oxide .