87305-43-9;87305-42-8;anti-Tricyclo(6.2.0.03,6)decane-2,7-dione;syn-Tricyclo(6.2.0.03,6)decane-2,7-dione;Tricyclo[6.2.0.03,6]decane-2,7-dione;syn-Tricyclo[6.2.0.03,6]decane-2,7-dione;anti-Tricyclo[6.2.0.03,6]decane-2,7-dione