InChI=1/C21H31N3O4/c1-22-20(27)21(12-7-4-8-13-21)23-18(25)16-24(14-11-19(26)28-2)15-17-9-5-3-6-10-17/h3,5-6,9-10H,4,7-8,11-16H2,1-2H3,(H,22,27)(H,23,25)/p+1/fC21H32N3O4/h22-24H/q+1 94764CFD050A774E