ACD/Name (Chemist Version) offers a standardized set of features for quick and simple generation of IUPAC names, and structures from names. It is a streamlined version of our popular ACD/Name software.
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R-0.2.2.2 Characteristic group: a single heteroatoms, for example, and ; a heteroatom bearing one or more hydrogen atoms or other heteroatoms, for example, , , , , and ; or a heteroatomic group attached to or containing a single carbon atom, for example, , , , and , attached to a parent hydride. The most common of these groups are listed in Table 5 and Table 9.
R-0.2.2.3 Principal group: the characteristic group chosen for citation at the end of a name by a suffix or a class name.
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