diethyl phthalate1,2-Benzenedicarboxylic acid diethyl ester1,2-Diethyl phthalateDEPDiethyl 1,2-benzenedicarboxylateDiethyl o-phthalateDiethyl phthalateEthyl phthalatePhthalic acid diethyl esterPhthalsaeurediaethylesterdiethyl benzene-1,2-dicarboxylateo-Benzenedicarboxylic acid diethyl estero-Bis(ethoxycarbonyl)benzene