2-Propenal, 3-[4-(4-fluorophenyl)-6-(1-methylethyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-, (E)-

(2E)-3-[4-(4-Fluorophenyl)-6-(propan-2-yl)-1H-pyrrolo[2,3-b]pyridin-5-yl]prop-2-enal