National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, People's Republic of China
Hui Zhao
Anhui Engineering Technology Research Center for Extraction and Isolation of Active Components, Anhui Academy of Science and Technology, Hefei 230031, People's Republic of China
In the crystal of the title compound, C10H13N2O3, inversion dimers linked by pairs of N—H...O hydrogen bonds generate R22(6) loops. The dimers are linked by weak C—H...O and C—H...π interactions, resulting in a three-dimensional network. A short NO2...NO2 contact [3.107 (2) Å] is also seen.