InChI=1/C15H21N5O4/c1-9-10(2)24-11(17-9)8-16-13(22)19-20-12(21)15(18-14(20)23)6-4-3-5-7-15/h3-8H2,1-2H3,(H,18,23)(H2,16,19,22)/f/h16,18-19H 52B43244FAC61E50