If two benzene rings are fused, this results to another large family of compounds, which are dibenzofuran, carbazole, dibenzothiophene, and aridine.
ຖ້າວົງແຫວນ benzene ສອງຟຸ່ລົ່ນແລ້ວ, ນີ້ຈະເຮັດໃຫ້ຄອບຄົວໃຫຍ່ທີ່ມີທາດປະສົມທີ່ແຕກຕ່າງກັນຄື dibenzofuran, carbazole, dibenzothiophene ແລະ aridine.