2,5,7-Metheno-3H-cyclopenta(a)pentalen-3-one, 3b,4,5,6,6,6a-hexachlorodecahydro-, (2-alpha,3a-beta,3b-beta,4-beta,5-beta,6a-beta,7-alpha,7a-beta,8R*)- 2,5,7-Metheno-3H-cyclopenta(a)pentalen-3-one, 3b,4,5,6,6,6a-hexachlorodecahydro-, (2R,3aR,3bS,4R,5R,6aS,7S,7aR,8R)-rel- 53494-70-5 Endrin ketone SD 2614 delta-Keto 153 delta-Ketoendrin