InChI=1S/C19H29N5O3/c1-24(12-8-15(25-2)17(27-4)16(9-12)26-3)10-11-5-6-14-13(7-11)18(20)23-19(21)22-14/h8-9,11,19,22H,5-7,10,21H2,1-4H3,(H2,20,23)/t11-,19+/m0/s1