Crystal structures and Hirshfeld surface analyses of (<i>E</i>)-<i>N</i>′-benzylidene-2-oxo-2<i>H</i>-chromene-3-carbohydrazide and the disordered hemi-DMSO solvate of (<i>E</i>)-2-oxo-<i>N</i>′-(3,4,5-trimethoxybenzylidene)-2<i>H</i>-chromene-3-carbohydrazide: lattice energy and intermolecular interaction energy calculations for the former. Corrigendum
Acta crystallographica. Section E, Crystallographic communications