InChI=1/C21H23N3O6/c1-4-13(15-9-8-11(10-25)30-15)22-16-17(20(28)19(16)27)23-14-7-5-6-12(18(14)26)21(29)24(2)3/h5-9,13,25-28H,4,10H2,1-3H3/t13-/m1/s1 2741378309CAE5FA