InChI=1/C21H23N3O2/c1-15(12-18-14-23-20-5-3-2-4-19(18)20)22-13-17-8-6-16(7-9-17)10-11-21(25)24-26/h2-11,14-15,22-23,26H,12-13H2,1H3,(H,24,25)/b11-10+/t15-/m0/s1/f/h24H 28F23FB1BDB5E12A