InChI=1/C21H24N2O6/c1-12(2)19(20(26)22-15-10-18(25)29-21(15)27)23-17(24)11-28-16-9-5-7-13-6-3-4-8-14(13)16/h3-9,12,15,19,21,27H,10-11H2,1-2H3,(H,22,26)(H,23,24)/t15-,19+,21+/m0/s1/f/h22-23H 5FF14040514C4E37