Pongprom, Nipawan, and Pornpan Pungpo. 2017. “Synthesis and cytotoxic activities of azanaphthoquinone annelated pyrrolo hydrazone derivatives”. Asia-Pacific Journal of Science and Technology 17 (2):195-202. https://so01.tci-thaijo.org/index.php/APST/article/view/82857.