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MARGINALIA

Cats and Rats

Roald Hoffman

Acknowledgments

Thanks to the students of Chemistry 106 for leading me to learn about nepetalactone and warfarin, to Haruko Kazama and Jerry Meinwald for their comments, and to Dean Tantillo for the molecular structures (each only one of several stereoisomers), drawn with Ball & Stick, version 3.7.6, by Norbert Müller and Alexander Falk, Johannes Kepler University Linz, Austria.

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