InChI=1/C19H16F2N2/c20-17-5-6-18(21)16(11-17)12-19(22)15-3-1-13(2-4-15)14-7-9-23-10-8-14/h1-11,19H,12,22H2/p+1/t19-/m1/s1/fC19H17F2N2/h22H/q+1 BF1664F8BD07BFD5