1.0 2026-09-22 22:48:55 UTC 2026-09-22 22:49:38 UTC FDB119010 Buphanidrine (1S,13R,15R)-9,15-dimethoxy-5,7-dioxa-12-azapentacyclo[10.5.2.01,13.02,10.04,8]nonadeca-2,4(8),9,16-tetraene C18H21NO4 315.4 315.14705815 COC1CC2C3(CCN2CC4=C(C5=C(C=C43)OCO5)OC)C=C1 InChI=1S/C18H21NO4/c1-20-11-3-4-18-5-6-19(15(18)7-11)9-12-13(18)8-14-17(16(12)21-2)23-10-22-14/h3-4,8,11,15H,5-7,9-10H2,1-2H3/t11-,15+,18+/m0/s1 RNEXSBPDDRJJIY-BKGUAONASA-N average_mass 315.4 ChemAxon mono_mass 315.14705815 ChemAxon smiles COC1CC2C3(CCN2CC4=C(C5=C(C=C43)OCO5)OC)C=C1 ChemAxon formula C18H21NO4 ChemAxon inchi InChI=1S/C18H21NO4/c1-20-11-3-4-18-5-6-19(15(18)7-11)9-12-13(18)8-14-17(16(12)21-2)23-10-22-14/h3-4,8,11,15H,5-7,9-10H2,1-2H3/t11-,15+,18+/m0/s1 ChemAxon inchikey RNEXSBPDDRJJIY-BKGUAONASA-N ChemAxon