Abuse of synthetic drugs is an emerging trend in substance abuse. Identification of exposure to such chemicals is often difficult due to the paucity of specific laboratory assays. One such group of compounds is the 2C class of phenethylamines that include 2-(4-lodo-2, 5-dimethoxyphenyl)-N-I[(2-methyoxyphenyl)methyl]ethanamine, known as 251-NBOMe or the street names “Smiles” and “N-Bomb.” This...