thiosemicarbazone
Bumander, A. M., I. I. Althagafi, M. R. Shaaban, and T. A. Farghaly,
"Comparative Study Between Thermal Heating and Microwave-Assisted Synthesis for New Series of Phenothiazine Derivatives",
Russian Journal of Organic Chemistry, vol. 55, issue 9, pp. 1407-1415, 2019.