InChI=1/C16H20N4O/c17-10-14-7-4-8-20(14)16(21)15-9-13(11-18-15)19-12-5-2-1-3-6-12/h1-3,5-6,13-15,18-19H,4,7-9,11H2/t13-,14-,15-/m0/s1	A3E5C1610ED3BC4D