1,13-Dimethyl-6H,7H,8H-chromeno[3′,4′:5,6]pyrano[3,2-c]chromene-6,8-dione

M. Iqbal Choudhary, Alain Meli Lannang, Shazia Anjum, Hoong-Kun Fun, David Lontsi, Jean Gustave Tangmouo
2005 Acta Crystallographica Section E  
doi:10.1107/s1600536805040523 fatcat:oy4jcvkht5hhpid3u4lk3nvqp4