Keywords: LigninStructure.png Structural formula of lignin Picture created by User Chino and hereby released to the public domain en wikipedia Ronhjones CommonsHelper 2008-07-22 718 Bot wikipedia en 718 Bot Original upload log History of Image LigninStructure jpg 2006-06-30T00 06 58Z Bkell Talk contribs <nowiki> badJPEG </nowiki> 2006-02-21T09 30 20Z Chino Talk contribs <nowiki>Structural formula of Picture created by and hereby released to the public domain </nowiki> page en wikipedia LigninStructure png 2008-07-22 00 21 718 Bot 720×540× 23094 bytes <nowiki> Structural formula of lignin Picture created by User Chino and hereby released to the public domain Licensing artifacts History of Image LigninStructure jpg 2006-06-30T00 06 58Z Bkell </nowiki> Phenylpropanoids Biopolymers Wood Lignins |