28804-46-8 50852-73-8 Chloro-p-xylylene cyclic dimer Dichlorodi-1,4-xylylene Dichlorotricyclo(8.2.2.2(sup 4,7))hexadeca-4,6,10,12,13,15-hexaene Dichlorotricyclo(8.2.2.24,7)hexadeca-1(12),4,6,10,13,15-hexaene, mixed isomers EINECS 249-236-8 Tricyclo(8.2.2.2(sup 4,7))hexadeca-4,6,10,12,13,15-hexaene, dichloro- Tricyclo(8.2.2.24,7)hexadeca-4,6,10,12,13,15-hexaene, dichloro-