Organic IntermediateChina Free Samples Lidocaine Hydrochloride Procaine Tetracaine Benzocaine CAS 73-78-9/137-58-6/59-46-1/51-05-8/136-47-0/94-09-7/553-63-9/ 94-24-6, Find details about China 59-46-1, 59-46-1 Powder from Free Samples Lidocaine Hydrochloride Procaine Tetracaine Benzocaine CAS 73-78-9/137-58-6/59-46-1/51-05-8/136-47-0/94-09-7/553-63-9/ 94-24-6