InChI=1/C14H20N2O3/c1-12-5-2-3-8-15(12)9-10-19-14-7-4-6-13(11-14)16(17)18/h4,6-7,11-12H,2-3,5,8-10H2,1H3/p+1/t12-/m1/s1/fC14H21N2O3/h15H/q+1 CDF2763918F78E2F