InChI=1/C19H28N4O/c1-12-8-7-9-23-15(13(2)20-16(12)23)17(24)21-14-10-18(3,4)22-19(5,6)11-14/h7-9,14,22H,10-11H2,1-6H3,(H,21,24)/p+1/fC19H29N4O/h21-22H/q+1 A33421F70C30B1D7