InChI=1/C28H38N4O3/c1-19(2)25(27(34)30-20(3)22-12-8-5-9-13-22)31-26(33)23-14-16-32(17-15-23)28(35)24(29)18-21-10-6-4-7-11-21/h4-13,19-20,23-25H,14-18,29H2,1-3H3,(H,30,34)(H,31,33)/t20-,24-,25-/m0/s1/f/h30-31H 1F5CD1470D70434B