InChI=1/C19H27N3O3/c1-5-15-17(18(23)25-6-2)16(21-19(24)20-15)12-22(4)11-14-9-7-13(3)8-10-14/h7-10,15H,5-6,11-12H2,1-4H3,(H2,20,21,24)/t15-/m0/s1/f/h20-21H 55EB345C54BDA104