Файл:P-phenylenediamine.svgDescriptionP-phenylenediamine.svg English: Chemical structure of p-phenylenediamine Date 16 December 2020 Source Own work Author RicHard-59 Other versions
Файл:Diethyl-p-phenylenediamine.svgDescriptionDiethyl-p-phenylenediamine.svg English: Diethyyl-p-phenylenediamine or DPD; IUPAC: N1,N1-diethylbenzene-1,4-diamine Français : Diéthyl-p-phénylènediamine Date
Файл:Dipropyl-p-phenylenediamine.svgDescriptionDipropyl-p-phenylenediamine.svg English: N,N-dipropylbenzene-1,4-diamine Français : N,N-dipropylbenzène-1,4-diamine Date 30 March 2012 Source