Crystal structure of 4-(6-chloro-4-oxo-4<i>H</i>-chromen-3-yl)-2-methylamino-3-nitro-4<i>H</i>,5<i>H</i>-pyrano[3,2-<i>c</i>]chromen-5-one chloroform monosolvate
Acta crystallographica. Section E, Crystallographic communications