InChI=1/C20H23N5O/c26-19(25-22-12-13-1-3-21-4-2-13)17-8-18(24-23-17)20-9-14-5-15(10-20)7-16(6-14)11-20/h1-4,8,12,14-17H,5-7,9-11H2,(H,25,26)/b22-12+/t14?,15?,16?,17-,20?/m1/s1/f/h25H 87960F30E9BD1415