1216502-69-0

[5-(2-Chloro-4-nitrophenyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]a 1,3,4-Oxadiazole-3(2H)-acetic acid, 5-(2-chloro-4-nitrophenyl)-2-oxo- [5-(2-chloro-4-nitrophenyl)-2-oxo-1,3,4-oxadiazol-3(2h)-yl]acetic acid