InChI=1/C15H19N3O2/c1-10-8-18(9-11(2)20-10)15(19)17-14-7-16-13-6-4-3-5-12(13)14/h3-7,10-11,16H,8-9H2,1-2H3,(H,17,19)/t10-,11+/f/h17H 23355C998AFC98FC