TERFENADONE.

SEC. 1744. TERFENADONE. Subpart B of part 1 of the Appendix is amended by inserting in numerical sequence the following new item: “ 907.48 1-(41.1-Dimethylethyl)- phenyl M- (hydroxydiphenylmethyl- lpiperidinyl)-lbutanone (provided for in item 406.42, part 1B, schedule 4) Free No change On or before 12/31/90 ”,