InChI=1/C21H23N3O2/c22-13-18-6-3-11-24(18)21(25)20-10-8-17(23-20)14-26-19-9-7-15-4-1-2-5-16(15)12-19/h1-2,4-5,7,9,12,17-18,20,23H,3,6,8,10-11,14H2/t17-,18+,20+/m1/s1 C6618E1A3BE453E9