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SMILES: c1cc2[13C](=O)[13CH2]c3c4c(cc(c1)c23)c1c(cc4)cccc1.c1ccc2c(c1)cc1c3c(cc4c1c2[13CH2][13C]4=O)cccc3 Canonical SMILES: O=[13C]1[13CH2]c2c3c1cc1ccccc1c3cc1c2cccc1.O=[13C]1[13CH2]c2c3c1cccc3cc1c2ccc2c1cccc2 InChI: InChI=1S/2C20H12O/c21-19-11-17-15-8-4-1-5-12(15)9-16-14-7-3-2-6-13(14)10-18(19)20(16)17;21-19-11-18-15-9-8-12-4-1-2-6-14(12)17(15)10-13-5-3-7-16(19)20(13)18/h2*1-10H,11H2/i2*11+1,19+1 InChIKey: PWEQHGADZIVAKT-WJQBKPJPSA-N
CBID:161196 http://www.chembase.cn/molecule-161196.html