To extend until January 1, 1995, the existing suspension of duty on certain chemicals.

Amends the Harmonized Tariff Schedule of the United States to extend, through December 31, 1994, the duty on: (1) terfenadone; (2) clomiphene citrate; (3) dicyclomine hydrochloride; (4) terfenadine and mepenzolate bromide; (5) desipramine hydrochloride; (6) lactulose; (7) nicotine resin complex put up in measured doses in chewing gum form; (8) rifampin; (9) L-ornithine, ethyl ester; (10) (+)-cis-(2s,3s) -3-(acetoxy-8-chloro-5-(2-(dimethylamino)-ethyl)-2,3-dihydro-2-(4- methoxyphenyl)-1,5-benzothiazepin-4(5H) one maleate (cletiazim maleate)); (11) diltiazem hydrochloride; (12) teicoplanin; and (13) sucralfate.