InChI=1/C26H32N4O4/c1-27-17-20(14-19-15-23-18(16-24(19)27)4-3-5-25(23)34-2)26(31)29-12-10-28(11-13-29)21-6-8-22(9-7-21)30(32)33/h3-9,19-20,24H,10-17H2,1-2H3/p+1/t19-,20-,24-/m0/s1/fC26H33N4O4/h27H/q+1 4C2C102D2997B516