21:09 Nov 29, 2015 |
English language (monolingual) [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng / Material Safety Data | |||||
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| Selected response from: Sabine Akabayov, PhD Israel Local time: 10:15 | ||||
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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5 +3 | positions of substitution |
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rst positions of substitution Explanation: The letters denote the bonds where another benzene ring is substituted. The carbon atoms in the organic compound are numbered, but the bonds between them are denoted with letters. See http://iupac.org/publications/pac/11/1/0001/pdf/ on page 3 |
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