"0"^^ . "114128911"@en-us . . "114979588"^^ . "permanganic acid"@en-us . . . . . . "14979588-n"^^ . . "an unstable purple acid (HMnO4) known only in solution or of permanganate salts"@en-us . . . "0"^^ . "permanganic acid"^^ . "110749273"@en-us . .