InChI=1/C21H27N3O3/c1-15-8-9-19(20(12-15)27-14-18-7-5-11-26-18)23-21(25)24(3)16(2)17-6-4-10-22-13-17/h4,6,8-10,12-13,16,18H,5,7,11,14H2,1-3H3,(H,23,25)/t16-,18+/m1/s1/f/h23H 5C68BB6378E14500