4157 Nantenine Nantenine is an alkaloid found in the plant Nandina domestica as well as some Corydalis species. It is an antagonist at both the alpha-1 adrenergic receptor and the 5-HT2A serotonin receptor, and blocks both the behavioural and physiological effects of MDMA in animals. 2565-01-7 197001 C20H21NO4 White powder. Nantenine is an antagonist at both the α1 adrenergic receptor and the 5-HT2A serotonin receptor, and blocks both the behavioural and physiological effects of MDMA in animals (Wikipedia). Nantenine is reported to have 5-HT2A antagonist properties (A15342). No indication of carcinogenicity to humans (not listed by IARC). Nantenine is an alkaloid found in the plant Nandina domestica as well as some Corydalis species. 2014-08-29T05:09:22Z 2026-04-06T02:20:27Z http://en.wikipedia.org/wiki/Nantenine C19985 true [H][C@]12CC3=CC4=C(OCO4)C=C3C3=C1C(CCN2C)=CC(OC)=C3OC C20H21NO4 InChI=1S/C20H21NO4/c1-21-5-4-11-7-17(22-2)20(23-3)19-13-9-16-15(24-10-25-16)8-12(13)6-14(21)18(11)19/h7-9,14H,4-6,10H2,1-3H3/t14-/m0/s1 WSVWKHTVFGTTKJ-AWEZNQCLSA-N 339.385 339.147058165 Exogenous Solid CHEMBL179440 170619 CHEM003063 DTXSID70180343 NS00094771 40.160000000000004 94.71959999999999 36.938439715997085 2 5 0 7.069079153864139 1 5 2.77 -3.63 7.87e-02 g/l