On Wed, Mar 10, 2021 at 9:05 AM Jean-Marc Nuzillard < jm.nuzill...@univ-reims.fr> wrote:
> > Your answer about tetragonal carbons goes in the same direction as my > initial feeling did, > but my feeling was only a feeling, just like yours. > I was wondering whether someone had some more formal view about this > question. > If you're looking for formal, I find the IUPAC guidelines really helpful for stuff like this: https://www.degruyter.com/document/doi/10.1351/pac200678101897/html Again I don't always agree with them, but they are pretty clear and include a bunch of examples of both good and bad representations. -greg
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