InChI=1/C18H17NO2/c1-11-8-14(11)16-6-7-17(21-16)18(20)15-10-19-9-12-4-2-3-5-13(12)15/h2-7,9-11,14,18,20H,8H2,1H3/t11-,14+,18+/m0/s1 D2B260F67A07DCBA