InChI=1/C20H23N3O3/c1-12-5-7-16(8-6-12)17-11-21-19(25-17)10-9-18(24)22-13(2)20-14(3)23-26-15(20)4/h5-8,11,13H,9-10H2,1-4H3,(H,22,24)/t13-/m1/s1/f/h22H 9357A8568394C4E7