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SMILES: C(=C\C(=O)[O-])/C(=O)O.[Na+] Canonical SMILES: [O-]C(=O)/C=C/C(=O)O.[Na+] InChI: InChI=1S/C4H4O4.Na/c5-3(6)1-2-4(7)8;/h1-2H,(H,5,6)(H,7,8);/q;+1/p-1/b2-1+; InChIKey: VRVKOZSIJXBAJG-TYYBGVCCSA-M
CBID:295948 http://www.chembase.cn/molecule-295948.html