InChI=1/C15H20N2O3/c1-9-12(15(18)19-2)13(10-6-4-3-5-7-10)11(8-16)14(17)20-9/h10,13H,3-7,17H2,1-2H3/t13-/m0/s1 F9749EC29855C0BF