1,4-双(2-羟氧基)对二氮乙环乙烷 1,4-bis(2-hydroxyethyl)piperazine
1,4-二乙氧基 1,4-diethoxybenzene
1,2-二肼 1,2-diphenyldiazane
1,1,3,3-四乙氧基丙烷 1,1,3,3-tetrathoxypropane
1,5-二甲氧基戊烷 1,5-dimethoxypentane
1,5-环辛二烯 1,5-cyclooctadiene
1,3-二乙基硫脲 1,3-diethylthiourea
1,3-丙酮二羧酸二乙酯 diethyl acetone-1,3-dicarboxylate
1,4-二甲硫醇 1,4-benzenedimethanethiol
1,4-环己烷二甲醇 1,4-cyclohexanedimethanol