Highly Aromatic Material As discussed previously, bulky conjugated or aromatic substituents have a high refractive index.
What does A stand for?
A stands for Aromatic Substituent (chemistry)
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Samples in periodicals archive:
[FIGURE 3 OMITTED] In addition to hydrogen bonding to the obvious ammonium group of the bicyclic amine, the McBreen study has shown that binding between the aromatic hydrogens of the adsorbed aromatic substituent and the carbonyl oxygen also occurs.
Synthesis of hydrazines with aromatic substituents using triarylbismuth reagents.