(1) Phenylpropanolamine;
(2) Methylamine;
(3) Ethylamine;
(4) D-lysergic acid;
(5) Ergotamine tartrate;
(6) Diethyl malonate;
(7) Malonic acid;
(8) Ethyl malonate;
(9) Barbituric acid;
(10) Piperidine;
(11) N-acetylanthranilic acid;
(12) Pyrrolidine;
(13) Anthranilic acid;
(14) Ephedrine;
(15) Norpseudoephedrine;
(16) Phenylacetic acid;
(17) Morpholine; and
(18) Pseudoephedrine.