Chen, C. Y. published the artcileA New Benzenoid from Liriodendron chinense, Formula: C9H10O4, the publication is Chemistry of Natural Compounds (2022), 58(3), 387-389, database is CAplus.
A new benzenoid, liriodenchic acid (1), along with nine known compounds that include two aporphine alkaloids, liriodenine (2) and (-)-anonaine (3); two lignans, (+)-syringaresinol (4) and (+)-yangambin (5); and five benzenoids, p-hydroxybenzoic acid (6), vanillic acid (7), vanillin (8), syringic acid (9), and syringaldehyde (10), were isolated from the leaves of Liriodendron chinense (Magnoliaceae). These compounds were characterized and identified by phys. and spectral evidences.
Chemistry of Natural Compounds published new progress about 134-96-3. 134-96-3 belongs to ethers-buliding-blocks, auxiliary class Immunology/Inflammation,COX,Natural product, name is 4-Hydroxy-3,5-dimethoxybenzaldehyde, and the molecular formula is C9H10O4, Formula: C9H10O4.
Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem