InChI=1/C16H26N4O3/c1-16(2,8-14(22)19-7-5-13(21)11-19)18-10-15(23)20-6-3-4-12(20)9-17/h12-13,18,21H,3-8,10-11H2,1-2H3/t12-,13+/m0/s1 A215269CA89254F3