DescriptionP-phenylenediamine.png English: Chemical structure of p-phenylenediamine Date 2 January 2006 Source Own work using: ChemDraw Author Shaddack
Description: Chemical structure of N,N'-di-2-butyl-1,4-phenylenediamine Author, date of creation: selfmade by Shaddack, 0 January 2006 Source: self-made
svg English: Chemical structure of p-phenylenediamine Date 16 December 2020 Source Own work Author RicHard-59 Other versions File:P-phenylenediamine.png