InChI=1/C19H27N3O3/c1-4-12(2)19(25)22-9-5-6-14(11-22)18(24)21-15-8-7-13(3)16(10-15)17(20)23/h7-8,10,12,14H,4-6,9,11H2,1-3H3,(H2,20,23)(H,21,24)/t12-,14+/m1/s1/f/h21H,20H2 DB3460B9E130B1B3