InChI=1/C21H27N3O4/c1-13(2)17-10-14(21(26)27)5-8-19(17)28-12-15-6-7-18(23-15)20(25)24-9-3-4-16(24)11-22/h5,8,10,13,15-16,18,23H,3-4,6-7,9,12H2,1-2H3,(H,26,27)/t15-,16+,18+/m1/s1/f/h23H 43D941D16E0A6188