InChI=1/C20H24N2O3/c1-21-12-15(14-8-4-6-10-17(14)21)19(23)22-16-9-5-3-7-13(16)11-18(22)20(24)25-2/h4,6,8,10,12-13,16,18H,3,5,7,9,11H2,1-2H3/t13-,16-,18-/m1/s1 44FF4EF62B29CF16