1,4-Naphthoquinone,2-hydroxy-3-methyl, 2-Hydroxy-3-methyl-1,4-naphthoquinone, 2-Methyl-3-hydroxy-1,4-naphthoquinone, Phthiokol, 1,4-Naphthalenedione,2-hydroxy-3-methyl, 2-hydroxy-3-methyl-1,4-naphthalenedione, 2-hydroxy-3-methylnaphthalene-1,4-dione, EINECS 207-594-2, 3-Hydroxy-2-methyl-1,4-naphthoquinone, 1,4-Naphthalenedione, 2-hydroxy-3-methyl-, Phthiocol