Keywords: Propiram.svg Chemical structure of w propiram en wikipedia Tomas_er CommonsHelper 2007-10-28 Meodipt wikipedia en Meodipt Original upload log page en wikipedia Propiram svg 2007-10-28 06 12 Meodipt 194×135× 3943 bytes <nowiki>i drew this anyone can use it </nowiki> N N-disubstituted primary amides Opioids Piperidines Pyridines |