InChI=1/C17H28N2O/c1-3-5-13-19(14-6-4-2)17(20)16-10-8-7-9-15(16)11-12-18/h7-10H,3-6,11-14,18H2,1-2H3/p+1/fC17H29N2O/h18H/q+1 26C5C11EE9ABD448