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4-formyl-3-hydroxybenzoic acid
C1=CC(=C(C=C1C(=O)O)O)C=O
InChI=1S/C8H6O4/c9-4-6-2-1-5(8(11)12)3-7(6)10/h1-4,10H,(H,11,12)
FDDHFCWYCKQKGY-UHFFFAOYSA-N
Store at ambient temperature and humidity (2–8 °C).
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