3-(4-nitroso-1-oxoisoindolin-2-yl)piperidine-2,6-dione
Chemical Formula: C13H11N3O4
Exact Mass: 273.07
Molecular Weight: 273.24
m/z: 273.07 (100.0%), 274.08 (14.3%), 275.08 (1.9%), 274.07 (1.1%)
Elemental Analysis: C, 57.14; H, 4.06; N, 15.38; O, 23.42