Keywords: 3-Methylthiofentanyl.svg Skeletal formula of 3-methylthiofentanyl Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 12 0 and Inkscape Optimized with vim Own work after ChemSpider http //www chemspider com/Chemical-Structure 56092 html 56092 2011-06-16 Fvasconcellos Anilidopiperidines Thiophenes |