4-Anilino-1-Boc-piperidine (1-boc-4-AP) is a chemical that is structurally related to N -phenylpiperidin-4-amine (also known as N -phenyl-4-piperidinamine, 4-anilinopiperidine, and 4-AP). N -Phenylpiperidin-4-amine, including its amides, its carbamates, and its salts. 1-boc-4-AP, as a carbamate of N -phenylpiperidin-4-amine, is and continues to be a regulated list I chemical.