InChI=1/C19H27N3O5/c1-4-20(5-2)19(24)21-12-10-15(11-13-21)18(23)27-14(3)16-8-6-7-9-17(16)22(25)26/h6-9,14-15H,4-5,10-13H2,1-3H3/t14-/m1/s1 1B1A66E718813E4F