2933399078 Chinese tariffs HS code 4- (N-phenylamino) piperidine amide derivatives, amino ester derivatives, halogenated derivatives, or combinations thereof, as well as salts of all of the aforementioned substances, 4-piperidinone ketone derivatives, amide derivatives, amino ester derivatives, or combinations thereof, and salts of all of the aforementioned substances
4- (N-phenylamino) piperidine amide derivatives, amino ester derivatives, halogenated derivatives, or combinations thereof, as well as salts of all of the aforementioned substances, 4-piperidinone ketone derivatives, amide derivatives, amino ester derivatives, or combinations thereof, and salts of all of the aforementioned substances