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Keywords: Betamethylfentanyl.svg en wikipedia 2011 July 26 i drew this anyone can use it en wikipedia Ronhjones CommonsHelper 2007-11-04 Meodipt wikipedia en Meodipt Original upload log page en wikipedia Betamethylfentanyl svg 2011-05-04 13 40 Edgar181 152×259× 9536 bytes <nowiki>fixed svg bug</nowiki> 2007-11-04 07 24 Meodipt 152×259× 5141 bytes <nowiki>i drew this anyone can use it </nowiki> N-substituted anilides Opioids Receptor agonists Piperidines Synthetic opioids |