97%
solid
118 °C (dec.) (lit.)
CC(C)(C)OC(=O)ON1C(=O)c2ccccc2C1=O
1S/C13H13NO5/c1-13(2,3)18-12(17)19-14-10(15)8-6-4-5-7-9(8)11(14)16/h4-7H,1-3H3
MCWXBNWFVFOQAS-UHFFFAOYSA-N