InChI=1/C20H21N3O3/c1-10-4-6-11(7-5-10)14-15-12(8-20(2,3)9-13(15)24)21-17-16(14)18(25)23-19(26)22-17/h4-7,14,16H,8-9H2,1-3H3,(H2,21,22,23,25,26)/t14-,16-/m1/s1/f/h21,23H DD25ABA57D329079