CuMnO4 is an ionic chemical compound (a metallic salt) known as copper (I) permanganate, or cuprous permanganate.
MnO4- is known as the permanganate ion. For the record, copper (II) permanganate (cupric permanganate) has the similar chemical formula Cu(MnO4)2.
Copper IV Manganate
Copper (II) chromate
Copper(II) Oxide
Cesium manganate
Copper I Permanganate
Not sure.