InChI=1/C21H27N3O4/c1-2-3-12-27-13-6-11-23-20(25)21(26)24-18-8-4-9-19(14-18)28-16-17-7-5-10-22-15-17/h4-5,7-10,14-15H,2-3,6,11-13,16H2,1H3,(H,23,25)(H,24,26)/f/h23-24H 71448665F0833A0E