InChI=1/C20H29N3O2/c1-14(2)18-13-22(11-10-19(24)23(18)12-16-6-7-16)20(25)21-17-8-4-15(3)5-9-17/h4-5,8-9,14,16,18H,6-7,10-13H2,1-3H3,(H,21,25)/t18-/m0/s1/f/h21H 4123A1F0302A2908