InChI=1/C14H20N2O3/c1-12-6-8-15(9-7-12)10-11-19-14-5-3-2-4-13(14)16(17)18/h2-5,12H,6-11H2,1H3/p+1/fC14H21N2O3/h15H/q+1 B2B707733068BC92