InChI=1/C21H41N3O3/c1-4-6-7-8-10-18(3)23-20(25)17-24-14-11-19(12-15-24)21(26)22-13-9-16-27-5-2/h18-19H,4-17H2,1-3H3,(H,22,26)(H,23,25)/t18-/m1/s1/f/h22-23H 83653B6616B496C6