1,2-PropanediolPROPYLENE GLYCOLpropane-1,2-diol丙二醇Propylene Glycol1,2-丙二醇Propylene glycol丙二醇1,2-Propanediol1,2-丙二醇Polypropylene glycol 2000(+/-)-Propylene glycol聚丙二醇 2,0001,2-Propyleneglycol(±)-Propylene glycol聚丙二醇 4,000Propylenglycolum1,2-Propanediol1,2-Propanediol, ACS1,2-Dihydroxypropane1,2-丙二醇, ACSPolypropylene glycol 4,000Polypropylene glycol 1,000聚丙二醇 1000Polypropylene glycol 3,000聚丙二醇 3,000(S)-(+)-1,2-PROPANEDIOLPROPYLENE GLYCOL, ACS GRADEmethyl ethyl glycol (MEGlPlDowfrostα-propylene glycolPolypropylene glycol 4001,2-DihydroxypropanlSirlenlmethylethylene glycol聚丙二醇 400Propane-1,2-diolCH3CH(OH)CH2OH1,2-Propanediolisopropylene glycolHOCH2CH(OH)CH31,2-dihydroxypropanemethylethyl glycol2-hydroxypropanolmethylethylene glycolPropylene glycolalpha-propyleneglycolHOCH2CH(OH)Mepropane-1,2-diol1,2-PropylenglykolPPDmonopropylene glycolmethyl glycolMeCH(OH)CH2OH