InChI=1/C18H25N3O3/c1-11-6-4-5-7-14(11)20-17(23)18(24)21-15-9-8-13(10-12(15)2)16(22)19-3/h8-11,14H,4-7H2,1-3H3,(H,19,22)(H,20,23)(H,21,24)/t11-,14+/m1/s1/f/h19-21H B567066D30919948