小教堂
发表于 2025-3-23 10:16:42
Peter Balzer,Stefan Kröll,Bernd Schollons of nomenclature in the English language (Mitchell’s book. and . Indexes.) show bewildering differences; and Stelzner’s .. and the .. give different names for about half the cyclic skeletons common to them.
河潭
发表于 2025-3-23 14:18:28
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配偶
发表于 2025-3-23 19:27:49
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Keratin
发表于 2025-3-24 01:13:42
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Throttle
发表于 2025-3-24 06:14:20
Inorganic,en these did not suffice, help was sought mainly in prefixes of the type pyro-, hypo-, meta-, ortho-, per-, sub-, and in endings such as-oxylic,-yl,-osyl. There was, however, little consistency in the use of these adjuncts, and the resulting confusion was made worse when later studies of structure d
竞选运动
发表于 2025-3-24 07:26:39
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爆米花
发表于 2025-3-24 11:56:03
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FLAIL
发表于 2025-3-24 17:11:42
Organic: Numbering,able numbers are assigned to the principal (functional) group or groups; for radicals they are assigned to the “free” valency or valencies, and the principal groups are then treated merely as ordinary prefixes.
Morose
发表于 2025-3-24 19:55:55
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BAN
发表于 2025-3-25 00:38:08
Organic: Some Special Cases, applied where a ring system (other than a benzene ring) is attached to an aliphatic chain that carries a principal group, ., a group that must be cited as suffix. The name of the ring system is followed directly by the name of the aliphatic chain and principal group, as in 2-naphthaleneethanol or 2