Splits a formula into a left and right side
parse.formula.RdThis function splits a reaction formulka apart into its parts,
removing whitespace on each side: "A + 2 B <=> AB2" will be split
into a list with two entries
parse.formula.RdThis function splits a reaction formulka apart into its parts,
removing whitespace on each side: "A + 2 B <=> AB2" will be split
into a list with two entries