(19alpha)-11-(3-ethyl-8-methoxy-12H-indolo[2,3-a]quinolizin-5-ium-2-yl)-19-methyl-10,11-didehydrostrychnidin-19-ium 5',6'-Dehydroguiaflavine InChI=1/C40H39N4O2/c1-4-23-20-42-15-12-25-35-30(9-7-11-33(35)45-3)41-37(25)32(42)18-26(23)28-21-43-31-10-6-5-8-29(31)40-14-16-44(2)22-24-13-17-46-38(28)36(39(40)43)27(24)19-34(40)44/h5-13,15,18,20-21,27,34,36,38-39H,4,14,16-17,19,22H2,1-3H3/q+1/p+1/t27- strychnidin-19-ium, 10,11-didehydro-11-(3-ethyl-8-methoxy-12H-indolo[2,3-a]quinolizin-5-ium-2-yl)-19-methyl-, (19alpha)-