Considering that dextromethorphan is definitely an optical isomer in the Routine II opiate levomethorphan (but doesn't act like an opiate), an exemption was required to maintain it an uncontrolled substance. The Federal Analog Act will not apply to dextromethorphan because a completely new drug software has become filed for it.[citation https://bookmarkpressure.com/story18130020/5-essential-elements-for-dextromethorphan-dxm-for-sale-in-europe