KCNO \text { KCNO } KCNO
C6H6\mathrm{C}_{6} \mathrm{H}_{6}C6H6
NH4MP3\mathrm{NH}_{4} \mathrm{MP}_{3}NH4MP3
NH4CNO\mathrm{NH}_{4} \mathrm{CNO}NH4CNO