GUO, FENG, CAI-FENG BI, YU-HUA FAN, YAN XIAO, XUE-TAO HE, and JIA-KUN XU. 2010. “Synthesis, Crystal Structure and Antibacterial Properties of N-(2-Hydroxy-1-Naphthalidene)-4-Aminoantipyrine”. Asian Journal of Chemistry 19 (3):1846-52. https://asianpubs.org/index.php/ajchem/article/view/13751.