InChI=1/C22H20N2O3/c25-19-8-3-6-16-11-13-17(23-21(16)19)12-10-15-5-1-2-7-18(15)24-22(26)20-9-4-14-27-20/h1-3,5-8,10-13,20,25H,4,9,14H2,(H,24,26)/b12-10+/t20-/m1/s1/f/h24H	9552F3490E975FE1