Infobox references. Tryptophan (abbreviated as Trp or W; encoded by the codon UGG) is an Î±-amino acid that is used in the biosynthesis of proteins. It contains an Î±-amino group, an Î±-carboxylic acid group, and a side chain indole, classifying it as a non-polar, aromatic amino acid.
toluene is a common name-The IUPAC name for toluene is methylbenzene.he use of this trivial form (acetate for ethanoic acid in general) is so common that this is called a retained IUPAC name.
The correct IUPAC name of the compound is ____. A. 3,4-dimethylpentane B. 2,3-dimethylbutane C. 2,3-dimethylpentane D. 2,2,3-dimethylbutane. 14. The structure of 3-ethyl-5,7-dimethyl-5-propylnonane is ____.he correct condensed structure of a compound having the IUPAC name 6-ethyl-6,7-dimethyl-2,4-dioctyne is ____. A. B. C. D. Choose the letter of the correct name for each structure. 18.