_dta:
  1.  by Jean Roth , jroth@nber.org , 27 Nov 2015
  2.  ingredient is a wide variable with multiple ingredients separated by a
      semicolon.

ingredient:
  1.  The active ingredient(s) for the product.
  2.  Multiple ingredients are in alphabetical order, separated by a semicolon.

  obs:         3,266                          
 vars:             3                          27 Nov 2015 08:52
 size:       930,810                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
ingredient      str233  %233s               * Ingredient
singnum         byte    %9.0g                 Single Ingredient Number
singredient     str51   %51s                  Single Ingredient
                                            * indicated variables have notes
-------------------------------------------------------------------------------
Sorted by:  ingredient