InChI=1/C18H21N3O3/c1-21(2)15-11-7-6-10-14(15)20-18(24)17(23)19-12-16(22)13-8-4-3-5-9-13/h3-11,16,22H,12H2,1-2H3,(H,19,23)(H,20,24)/t16-/m1/s1/f/h19-20H	50D7753F687A5CD3