InChI=1/C21H27N3O2/c1-13(2)20(25)23-18-8-6-17(7-9-18)22-16(5)21(26)24-19-11-14(3)10-15(4)12-19/h6-13,16,22H,1-5H3,(H,23,25)(H,24,26)/t16-/m0/s1/f/h23-24H 35AFAC5BF95E307D