InChI=1/C22H28N3O8/c1-20(2)21(16-9-7-6-8-10-16,31-12-11-25(3,4)5)33-22(26,32-20)17-13-18(23(27)28)15-19(14-17)24(29)30/h6-10,13-15,26H,11-12H2,1-5H3/q+1/t21-,22-/m1/s1 421AE556F4FC588E