Title: 4-(2,2-Difluoro-1,3-benzodioxol-4-yl)-1H-pyrrole-3-carbonitrile.
Journal: Acta crystallographica. Section E, Structure reports online 20120101
Title: The trifluoromethoxy group: a long-range electron-withdrawing substituent.
Journal: Chemistry (Weinheim an der Bergstrasse, Germany) 20020215