InChI=1/C21H23N5O4/c1-12(2)18(19-23-16-9-4-5-10-17(16)24-19)25-20(27)13(3)22-21(28)14-7-6-8-15(11-14)26(29)30/h4-13,18H,1-3H3,(H,22,28)(H,23,24)(H,25,27)/t13-,18+/m1/s1/f/h22-23,25H 72C8386451B5A7B5