Norpentazocine is discontinued (DEA controlled substance). References: Danso-Danquah R, Bai X, Zhang X, Mascarella SW, Williams W, Sine B, Bowen WD, Carroll FI. Synthesis and sigma binding properties of 1'- and 3'-halo- and 1',3'-dihalo-N-normetazocine analogues. J Med Chem. 1995 Jul 21;38(15):2986-9. PubMed PMID: 7636861.

纯度：≥98%

CAS：25144-78-9