InChI=1/C14H21N3O4/c1-14(2,16(3)4)10-15-13(18)9-21-12-8-6-5-7-11(12)17(19)20/h5-8H,9-10H2,1-4H3,(H,15,18)/p+1/fC14H22N3O4/h15-16H/q+1 D8567F76BFFCDADF