1,4,4a,5,8,8a-Hexahydro-5,6,7,8,9,9-hexachloro-1,4:5,8-dimethanophthalazine 1,4:5,8-DIMETHANOPHTHALAZINE, 1,4,4a,5,8,8a-HEXAHYDRO-5,6,7,8,9,9-HEXACHLORO- 1,4:5,8-Dimethanophthalazine, 5,6,7,8,9,9-hexachloro-1,4,4a,5,8,8a-hexahydro- 3734-72-3 AI3-25581 Azoaldrin SD-3110