InChI=1/C16H17N3O3/c1-20-14-4-8-3-9-13(22-12(8)6-15(14)21-2)5-11(18)10(7-17)16(9)19/h4,6,9,13,18H,3,5,19H2,1-2H3/t9-,13-/m0/s1 3C1BEA8FD28D69F6