The number of grams per mole of a compound
Return a compound designator given either a compound designator or a string in compound syntax
Parse a compound string, such as C6 H12 O6
PPRINT-COMPOUND (COMPOUND &KEY (STREAM *STANDARD-OUTPUT*) PARENS)
Pretty print a compound, putting parens around it if `parens' is t. This is so ugly that I've come to despise it, but it works. Don't touch it unless you want it to shatter into a million little pieces.
Return t if `compound' is a pair of an element and a number of that element, such as (C 6)