THE structure and relative stability of helical macro-molecules, consisting of repetitions of equivalent monomer units, have been analysed previously 1–5. The conformational potential energy of the ...
Just over a year ago, researchers reported that they had isolated and characterized a long-sought second form of acetylsalicylic acid, known in most households as aspirin (J. Am. Chem. Soc. 2005, 127, ...
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