InChI=1/C19H25N3O3/c1-11-8-12(2)10-15(9-11)13(3)20-16(23)14-4-6-19(7-5-14)17(24)21-18(25)22-19/h8-10,13-14H,4-7H2,1-3H3,(H,20,23)(H2,21,22,24,25)/t13-,14?,19?/m1/s1/f/h20-22H 12329967EA888DFD