NIKOLOVA, R. P.; SHIVACHEV, B.; MIKHOVA, B.; STAMBOLIYSKA, B.; MLADENOVSKA, K.; PANOVSKA, A. P.; POPOVSKI, E. Synthesis and structure of (<i>R,S</i>)-2-methyl-4-(4-nitrophenyl)-pyrano[3,2-c]chromen-5(4<i>H</i>)-one. Macedonian Journal of Chemistry and Chemical Engineering, [S. l.], v. 32, n. 2, p. 239–250, 2012. DOI: 10.20450/mjcce.2013.445. Disponível em: https://mjcce.org.mk/index.php/MJCCE/article/view/445. Acesso em: 25 apr. 2024.