InChI=1/C21H26N4O4/c26-17(23-19(28)22-16-8-2-1-3-9-16)13-25-18(27)21(24-20(25)29)11-10-14-6-4-5-7-15(14)12-21/h4-7,16H,1-3,8-13H2,(H,24,29)(H2,22,23,26,28)/t21-/m1/s1/f/h22-24H	331505DED68351DB