1.0 2026-09-22 08:27:55 UTC 2026-09-22 08:28:36 UTC FDB117963 tetramethoxybenzene 1,2,3,4-tetramethoxybenzene C10H14O4 198.22 198.08920892 COC1=C(C(=C(C=C1)OC)OC)OC InChI=1S/C10H14O4/c1-11-7-5-6-8(12-2)10(14-4)9(7)13-3/h5-6H,1-4H3 QCNHIJXDZKTWSA-UHFFFAOYSA-N average_mass 198.22 ChemAxon mono_mass 198.08920892 ChemAxon smiles COC1=C(C(=C(C=C1)OC)OC)OC ChemAxon formula C10H14O4 ChemAxon inchi InChI=1S/C10H14O4/c1-11-7-5-6-8(12-2)10(14-4)9(7)13-3/h5-6H,1-4H3 ChemAxon inchikey QCNHIJXDZKTWSA-UHFFFAOYSA-N ChemAxon