2,3,4,4,5,5-Hexachloro-2-cyclopenten-1-one 2-Cyclopenten-1-one, 2,3,4,4,5,5-hexachloro- 2-Cyclopenten-1-one, 2,3,4,5,5-hexachloro- 2-Cyclopenten-1-one, hexachloro- (6CI,7CI) 2514-52-5 AI3-27069 Hexachloro-2-cyclopentenone Hexachloro-delta(sup 2)-cyclopentenone Perchloro-2-cyclopentenone