InChI=1/C16H27N3O4/c1-10(21)18-15-13(17)7-11(16(22)23)8-14(15)19-6-4-2-3-5-12(19)9-20/h8,12-15,20H,2-7,9,17H2,1H3,(H,18,21)(H,22,23)/t12-,13+,14-,15-/m1/s1/f/h17-18H 1C814733D19A6E56