1-(3,4-Dichlorophenyl)-4-tert-butylbicycloorthocarboxylate 2,6,7-Trioxabicyclo(2.2.2)octane, 1-(3,4-dichlorophenyl)-4-(1,1-dimethylethyl)- 97720-22-4 Orthobenzoic acid, 3,4-dichloro-, cyclic ester with 2-tert-butyl-2-(hydroxymethyl)-1,3-propanediol