InChI=1/C17H20N4O3/c1-21-14-6-2-4-12(11(14)10-18-21)19-17(22)20-13-5-3-7-15-16(13)24-9-8-23-15/h3,5,7,10,12H,2,4,6,8-9H2,1H3,(H2,19,20,22)/t12-/m0/s1/f/h19-20H 48D817806D8530F3