InChI=1/C18H35N3O4/c1-4-15(5-2)16(21-10-12-25-13-11-21)14-20-18(23)19-9-7-6-8-17(22)24-3/h15-16H,4-14H2,1-3H3,(H2,19,20,23)/t16-/m1/s1/f/h19-20H 57823F4465C1514C