InChI=1/C28H37N3O3/c1-4-6-17-30(18-7-5-2)19-10-20-31-25(23-11-8-9-16-29-23)24(27(33)28(31)34)26(32)22-14-12-21(3)13-15-22/h8-9,11-16,25,33H,4-7,10,17-20H2,1-3H3/t25-/m1/s1/f/h33h,30H 03454B1607F2821C