InChI=1/C27H28N4O7/c1-14-3-7-16(8-4-14)26(34)36-13-20-19(38-27(35)17-9-5-15(2)6-10-17)11-21(37-20)31-12-18(24(29)32)22(23(31)28)25(30)33/h3-10,19-21,28H,11-13H2,1-2H3,(H2,29,32)(H2,30,33)/t19-,20+,21+/m0/s1/f/h29-30H2 DBA816A91A08A80E