Presumptive test for MDMA (Ecstasy), Amphetamine type compounds (Amphetamines and Methamphetamine), and for Opium Alkaloids (Heroin and Morphine). ODV 7602 NarcoTest Marquis Reagent (General Screening) odv-7602Regular price: $19.99Sale price: $12.95 Copyright 2012 Police Supply Online providing Police Equipment to over 300 Police, Federal & Military Law Enforcement Agencies around the world.