InChI=1/C18H27N5O2/c1-15(14-23-11-6-8-20-23)21-18(24)19-13-16(17-7-5-12-25-17)22-9-3-2-4-10-22/h5-8,11-12,15-16H,2-4,9-10,13-14H2,1H3,(H2,19,21,24)/p+1/t15-,16+/m0/s1/fC18H28N5O2/h19,21-22H/q+1 918A6D51E541784F