(2Z)-6-methoxy-2-(1-pyridin-4-ylethylidene)indan-1-one 1H-inden-1-one, 2,3-dihydro-6-methoxy-2-[1-(4-pyridinyl)ethylidene]-, (2Z)- InChI=1/C17H15NO2/c1-11(12-5-7-18-8-6-12)15-9-13-3-4-14(20-2)10-16(13)17(15)19/h3-8,10H,9H2,1-2H3/b15-11