... Research Institute, La Jolla, California 92037 United States. J. Am. Chem. Soc. ... What would the champions of physical organic chemistry from its heyday in the mid-20th century have given for access to such tools? ... 3 b, 1b, 2b, 3b, 200, 200, 80, 0.02, 4. 4 b, 1b, 2b, 3b, 80, 200, 120, ...