InChI=1/C18H18N2O3/c1-11-5-3-6-13(9-11)15-10-14(19-20(15)12(2)21)18-16(22)7-4-8-17(18)23/h3-9,15,22-23H,10H2,1-2H3/t15-/m0/s1 ADB7A6304ED9B81C