Considering that dextromethorphan is definitely an optical isomer on the Schedule II opiate levomethorphan (but does not act like an opiate), an exemption was needed to maintain it an uncontrolled material. The Federal Analog Act won't implement to dextromethorphan since a whole new drug software has been filed for it.[citation https://damienwbegh.blogdon.net/details-fiction-and-dextromethorphan-dxm-for-sale-in-copyright-46327843