InChI=1/C21H29N3O4/c1-3-5-9-16(4-2)14-22-21(26)24-23-20(25)19-13-12-18(28-19)15-27-17-10-7-6-8-11-17/h6-8,10-13,16H,3-5,9,14-15H2,1-2H3,(H,23,25)(H2,22,24,26)/t16-/m0/s1/f/h22-24H 2BD89196346D9E16