4-MeO-PCP (methoxydine), as of 25 June 2023, is not a controlled substance in the USA.
It can be made in a similar way as PCP.
STEP 1: Preparing the intermediate
6.3g of sodium bisulfite in 21mL of water was cooled in an ice bath. 5.3g (5.03 mL) of cyclohexanone was added with rapid stirring...