InChI=1S/C22H21N3O5/c1-30-20-18(26)8-11-7-17-21(28)24-16(22(29)25(17)10-14(11)19(20)27)6-12-9-23-15-5-3-2-4-13(12)15/h2-5,8-9,16-17,23,26-27H,6-7,10H2,1H3,(H,24,28)/t16-,17-/m1/s1