InChI=1/C18H21N5O5/c1-8(14(24)13-15(19)22(3)18(27)23(4)17(13)26)20-10-5-6-12-11(7-10)21-16(25)9(2)28-12/h5-9,20H,19H2,1-4H3,(H,21,25)/t8-,9+/m0/s1/f/h21H 6FB73D6C1621486D