Yartsev, Y., Lyubashov, P., Povstyanoy, V., Povstyaniy, M., & Lebedyeva, I. (2018). Crystal structure of ethyl 2-methyl-5,10-dioxo-4-phenyl-5,10-di­hydro-4H-11-thia-1,4a-di­aza­benzo[b]fluorene-3-carb­oxy­late. Acta Crystallogr E Crystallogr Commun.

Yartsev, Yegor, Pavel Lyubashov, Vyacheslav Povstyanoy, Mykhailo Povstyaniy, und Iryna Lebedyeva. "Crystal Structure of Ethyl 2-methyl-5,10-dioxo-4-phenyl-5,10-di­hydro-4H-11-thia-1,4a-di­aza­benzo[b]fluorene-3-carb­oxy­late." Acta Crystallogr E Crystallogr Commun 2018.

Yartsev, Yegor, et al. "Crystal Structure of Ethyl 2-methyl-5,10-dioxo-4-phenyl-5,10-di­hydro-4H-11-thia-1,4a-di­aza­benzo[b]fluorene-3-carb­oxy­late." Acta Crystallogr E Crystallogr Commun 2018.