1,2,3-Oxadiazolium, 3-(2-chlorophenyl)-5-hydroxy-, inner salt (9CI) 3-(o-Chlorophenyl)sydnone 5226-48-2 BRN 5954393 NSC 63251 Sydnone, 3-(2-chlorophenyl)- (9CI) Sydnone, 3-(o-chlorophenyl)- Syndnone, 3-(o-chlorophenyl)-