InChI=1/C18H26N2O/c19-10-15-2-1-3-16(15)17(21)11-20-18-7-12-4-13(8-18)6-14(5-12)9-18/h12-16,20H,1-9,11H2/t12?,13?,14?,15-,16+,18?/m0/s1 FCE7702FFC2D749E