InChI=1/C18H23N3O3/c1-17(9-3-4-10-17)14(22)19-11-12-5-7-13(8-6-12)18(2)15(23)20-16(24)21-18/h5-8H,3-4,9-11H2,1-2H3,(H,19,22)(H2,20,21,23,24)/t18-/m0/s1/f/h19-21H 6286DB3C1B04CBFE