InChI=1/C17H14ClN/c1-2-19-17(15-9-11-16(18)12-10-15)13-8-14-6-4-3-5-7-14/h3-7,9-12H,2H2,1H3/b19-17 N-[(1E)-1-(4-chlorophenyl)-3-phenylprop-2-yn-1-ylidene]ethanamine ethanamine, N-[(1E)-1-(4-chlorophenyl)-3-phenyl-2-propynylidene]-