InChI=1/C22H25N3O3/c26-19-13-15-5-1-4-8-18(15)20(19)25-22(28)24-17-11-9-14(10-12-17)21(27)23-16-6-2-3-7-16/h1,4-5,8-12,16,19-20,26H,2-3,6-7,13H2,(H,23,27)(H2,24,25,28)/t19-,20+/m0/s1/f/h23-25H D167227ABA08C31E