InChI=1/C15H25N5O4/c1-2-3-4-7-18(10-12(21)19-8-5-16-14(19)23)11-13(22)20-9-6-17-15(20)24/h2-11H2,1H3,(H,16,23)(H,17,24)/p+1/fC15H26N5O4/h16-18H/q+1 64723181972CE75E