InChI=1/C21H26N2O4/c1-4-19(15-9-11-16(26-3)12-10-15)27-20(24)13-18(23-21(22)25)17-8-6-5-7-14(17)2/h5-12,18-19H,4,13H2,1-3H3,(H3,22,23,25)/t18-,19-/m0/s1/f/h23H,22H2	D994FA0023A1A7B8