InChI=1S/C21H31N5O3/c27-17-4-5-21(14-17)15-18(28)26(19(29)16-21)9-2-1-8-24-10-12-25(13-11-24)20-22-6-3-7-23-20/h3,6-7,17,27H,1-2,4-5,8-16H2