chemeq(1) on Linux
The text fd7df116710d, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Chemical Equation Analyzer
Flags it lists
-
-C -
-M -
-c -
-e -
-h -
-l -
-m -
-n -
-s -
-v -
-w