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SMILES: c1(O)cc2oc3cc(=O)ccc3c(c2cc1)c1ccccc1C(=O)O Canonical SMILES: Oc1ccc2c(c1)oc1c(c2c2ccccc2C(=O)O)ccc(=O)c1 InChI: InChI=1S/C20H12O5/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24/h1-10,21H,(H,23,24) InChIKey: YKGGGCXBWXHKIZ-UHFFFAOYSA-N
CBID:5412 http://www.chembase.cn/molecule-5412.html