WASHINGTON, Dec. 16 -- Drug Enforcement Administration has issued a proposed rule called: Schedules of Controlled Substances: Placement of 4F-MDMB-BUTICA, ADB-4en-PINACA, 5F-EDMB-PICA, and MMB-FUBICA in Schedule I.

The proposed rule was published in the Federal Register on Dec. 16 by Heather Achbach, Federal Register Liaison Officer, Drug Enforcement Administration.

Summary: The Drug Enforcement Administration proposes placing methyl 2-[[1-(4-fluorobutyl)indole-3-carbonyl]amino]-3, 3-dimethylbutanoate (other names: 4F-MDMB-BUTICA; 4F-MDMB-BICA), N-(1-amino-3, 3-dimethyl-1-oxobutan-2-yl)-1-(pent-4-en-1-yl)-1 H-indazole-3-carboxamide (other name: ADB-4en-PINACA), ethyl 2-[[1-(5-fluoropentyl)indole-3-carbonyl]amino]-3, 3-dimethyl-butanoate (...