InChI=1/C20H23N3O4/c21-20(24)16-8-9-17(19(11-16)23(25)26)13-22(14-18-7-4-10-27-18)12-15-5-2-1-3-6-15/h1-3,5-6,8-9,11,18H,4,7,10,12-14H2,(H2,21,24)/t18-/m1/s1/f/h21H2	4549720A7177E57A