1,3-Sobenzofurandione-14C2; 1,2-Benzenedicarboxylic-14C2 Anhydride; 1,3-Phthalandione-14C2; 2-Benzofuran-1,3-dione-14C2; Araldite HT 901-14C2; SEN-14C2; HT 901-14C2; SC 10431-14C2; Phthalandione-14C2; Phthalanhydride-14C2; Phthalic Acid-14C2 Anhydride; Retarder AK-14C2; Retarder B-C-14C2; Retarder SEN-14C2; Retarder PD-14C2; Rikacid PA-14C2;Sconoc 5-14C2;Sconoc 7-14C2; TGL 6525-14C2; Vulkalent B/C-14C2;