Dear Hans,
a few comments:
- Do you need to represent all four substituents around the stereogenic center?
Because so often, hydrogen if bound to carbon is implicit in the formulae,
without ambiguity. And if all four substitutents around the carbon need to
be shown -- as to introduce / tr
Dear members,
I'm using chem frequently for making tests for school.
Although it's a bit hidden in the manual but a neat feature of chem
is being able to create back and front bonds.
The front bond is formed by an arrowhead (clever solution).
The back bond is created of spaced lines.
With a sligh