Search for "homophthalic anhydride" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2020, 16, 1456–1464, doi:10.3762/bjoc.16.121
Beilstein J. Org. Chem. 2017, 13, 1413–1424, doi:10.3762/bjoc.13.138
Beilstein J. Org. Chem. 2017, 13, 451–494, doi:10.3762/bjoc.13.48