Tang, Xiaolin, Ye Zhang, Wen Qin, and Yongzhi Liao. 2014. “Synthesis, Characterization, Crystal Structure and Free Radical Scavenging Activities of 2-(2-Butylamine)-6-[(2-butylamine)amino]-5-Nitro-1H-benzo[de]-Isoquinoline-1,3(2H)-Dione”. Asian Journal of Chemistry 26 (21):7457-59. https://doi.org/10.14233/ajchem.2014.17429.