InChI=1/C20H24N2O4/c1-24-19-6-2-3-7-20(19)25-12-11-21-13-15(23)14-26-18-8-4-5-17-16(18)9-10-22-17/h2-10,15,21-23H,11-14H2,1H3/p+1/t15-/m0/s1/fC20H25N2O4/h21H/q+1 AAD60DD90482057E