. . . . . "0"^^ . . "113928732"@en-us . "methylthionine chloride"@en-us . "114771270"^^ . "methylene blue"^^ . . "methylene blue"@en-us . "0"^^ . . "14771270-n"^^ . . . "a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning"@en-us . . .