InChI=1S/C21H33N3O5/c1-5-13(4)18(20(27)23-17(21(28)29)10-12(2)3)24-19(26)16(22)11-14-6-8-15(25)9-7-14/h6-9,12-13,16-18,25H,5,10-11,22H2,1-4H3,(H,23,27)(H,24,26)(H,28,29)/t13?,16-,17-,18+/m1/s1