CID is 4020695
synonyms found at PubChem are:
METHYL 7-DESOXYPURPUROGALLIN-7-CARBOXYLATE TRIMETHYL ETHER, KBio2_000832, Spectrum_000352, SpecPlus_000080, Spectrum2_000455, Spectrum3_000251, Spectrum4_001549, Spectrum5_000118, AC1N2ES9, BSPBio_001662, KBioGR_002018, KBioSS_000832, SPECTRUM210522, DivK1c_006176, SPBio_000530, CHEMBL1564552, CHEBI:93119, KBio1_001120, KBio2_003400, KBio2_005968, KBio3_001162, CCG-38697, NCGC00095521-01, NCGC00095521-02, NCGC00179106-01, BRD-K63938928-001-01-7, methyl 3,4,6-trimethoxy-5-oxobenzo[7]annulene-8-carboxylate