InChI=1/C20H20N2O2/c1-12-9-13(2)19-16-7-4-8-17(16)20(21-18(19)10-12)14-5-3-6-15(11-14)22(23)24/h3-7,9-11,16-17,20-21H,8H2,1-2H3/t16-,17+,20-/m0/s1	94883F9E8C71B741