Hexane-1,6-Diol2,3-DIMETHOXYTOLUENE1,6-HexanediolHexamethylene glycol1,6-Hexanediol1,6-己二醇1,6-Dihydroxyhexane六亚甲基甘醇HDOHexamethylenediol1,6-Hexylene glycolHEXAMETHYLENE GLYCOL1,6-己二醇 溶液1,6-Hexanediol solutionHexamethylene glycol1,6-Hexanediolalpha,omega-Hexanediol1,6-Dihydroxyhexane6-hydroxy-1-hexanolhexane-1,6-diolHexamethylenediol