Synonyms: 3-Oxabicyclo[3.2.0]heptane-2,4-dione;4462-96-8;1,2-Cyclobutanedicarboxylic anhydride, cis-,;NSC134999;AC1L3CFA;MolPort-000-142-069;NSC119923;NSC148995;SBB056376;AKOS005266524;AG-F-56500;Cyclobutane-1,2-dicarboxylic anhydride;NSC-119923;NSC-134999;NSC-148995;3-Oxabicyclo[3.2.0]heptane-2, cis-;3-Oxabicyclo[3.2.0]heptane-2,4-dione, cis-;A826647;7687-27-6