Keywords: 3-methylfentanyl.svg Own work created with en BKchem based on en Image 3-methylfentanyl png en wikipedia 2007-08-03 Surachit wikipedia en Surachit original upload log page en wikipedia 3-methylfentanyl svg 2007-08-03 00 08 Surachit 127×248×0 12043 bytes <nowiki>Own work created with BKchem based on Image 3-methylfentanyl png Licensing </nowiki> Opioids Piperidines |