InChI=1/C22H28N2O4/c1-27-15-7-6-14-24(16-18-8-4-3-5-9-18)17-21(25)23-20-12-10-19(11-13-20)22(26)28-2/h3-5,8-13H,6-7,14-17H2,1-2H3,(H,23,25)/p+1/fC22H29N2O4/h23-24H/q+1 65AC8533693F0AEA