InChI=1/C15H20N2O2/c1-11(2)12-3-5-13(6-4-12)15-10-19-9-14(18)17(15)8-7-16-15/h3-6,11,16H,7-10H2,1-2H3/t15-/m0/s1 5397FE226FE4E9D5