quinoline alkaloid strychnidine 320.42814 A quinoline alkaloid fundamental parent that has formula C21H24N2O. AGRTUYYPROFOFX-ZMUQRAOQSA-N Beilstein:44534 C21H24N2O CHEBI:36337 InChI=1S/C21H24N2O/c1-2-4-16-15(3-1)21-7-9-22-12-13-6-10-24-17-5-8-23(16)20(21)19(17)14(13)11-18(21)22/h1-4,6,14,17-20H,5,7-12H2/t14-,17-,18-,19-,20-,21+/m0/s1 [H][C@@]12CCN3c4ccccc4[C@]45CCN6CC(=CCO1)[C@]([H])(C[C@@]46[H])[C@]2([H])[C@]35[H] chebi_ontology strychnidine indole alkaloid fundamental parent quinoline alkaloid fundamental parent organic heteroheptacyclic compound monoterpenoid indole alkaloid