InChI=1/C19H27N3O4/c1-12(2)16(20)17(23)21-14(11-13-7-4-3-5-8-13)18(24)22-10-6-9-15(22)19(25)26/h3-5,7-8,12,14-16H,6,9-11,20H2,1-2H3,(H,21,23)(H,25,26)/t14-,15-,16-/m1/s1/f/h20-21H 8945B58B1F9763A3