InChI=1/C22H28N2O4/c1-12-15(4)27-20-14(3)21-17(10-16(12)20)13(2)18(22(26)28-21)11-19(25)23-8-7-9-24(5)6/h10H,7-9,11H2,1-6H3,(H,23,25)/p+1/fC22H29N2O4/h23-24H/q+1 4068F94249396BFC