107 YEARS OF LINE-FORMULA NOTATIONS (1861-1968)
FORT DETRICK FREDERICK MD
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Within seven years after the birth of structural chemistry in 1861, virtually all of the main ideas relating to line-formula conventions were devised and published in the leading chemical journals of a century ago. No basically new practices appeared for some 79 years. Then, within an identically brief period of just seven years 1947-1954, virtually all of the fundamental features of structure-delineating chemical notations appeared in the international chemical literature. The key characteristics of the old conventions and new systems are surveyed.
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