InChI=1/C20H19N3O6/c1-21-20(27)23-19(26)17(12-7-3-2-4-8-12)29-16(24)11-15-18(25)22-13-9-5-6-10-14(13)28-15/h2-10,15,17H,11H2,1H3,(H,22,25)(H2,21,23,26,27)/t15-,17+/m1/s1/f/h21-23H 01CBA7840F80B9B3