InChI=1/C22H24N4O4/c27-20-13-19(25-22(26-20)23-14-18-7-4-12-29-18)21(28)24-15-8-10-17(11-9-15)30-16-5-2-1-3-6-16/h1-3,5-6,8-11,18-19H,4,7,12-14H2,(H,24,28)(H2,23,25,26,27)/p+1/t18-,19+/m0/s1/fC22H25N4O4/h23-26H/q+1 CB81FBE58C38F1C4