Substituted piperidinophenones Substituted piperidinophenones are a class of compounds derived from the piperidinophenone base structure. List of substituted piperidinophenones CompoundStructure Substituted cathinonesSubstituted phenethylpiperidines (fentalogs)Substituted piperidinophenonesSubstituted pyrrolidinophenones (pyros) α-Piperidinopropiophenone (α-PIPPP) 3-Methyl-α-piperidinopropiophenone (3-Me-PIPPP) 4-Methyl-α-piperidinopropiophenone (4-Me-PIPPP) α-Piperidinobutiophenone (α-PIPBP) 3-Methoxy-α-piperidinopropiophenone (3-MeO-PIPPP) 3,4-Dihydroxy-α-piperidinopropiophenone (3,4-DMPIPPP) α-Piperidinohexiophenone (α-PIPHP) 3'-Nitro-α-piperidinopropiophenone (3-NPIPPP) 4-Fluoro-α-piperidinopentiophenone (4-FPIPVP) 3,4-Trimethylene-α-piperidinopentiophenone (3,4-Pr-PIPVP) 3',4'-Dichloro-α-piperidinopentiophenone (3,4-DCPIPVP) 3',4'-Methylenedioxy-α-piperidinoheptaphenone (MDPIPEP) See also Substituted cathinones Substituted phenethylpiperidines (fentalogs)