InChI=1/C21H31N3O4/c1-14(2)19(15-6-7-16-17(12-15)28-11-5-10-27-16)23-18(25)13-24-9-8-22-20(26)21(24,3)4/h6-7,12,14,19H,5,8-11,13H2,1-4H3,(H,22,26)(H,23,25)/t19-/m1/s1/f/h22-23H	6E91A281A552B7FB