H.R. 4972 — To suspend temporarily the duty on 2,7-Naphthalenedisulfonic acid, 5-ÝÝ4-chloro-6-ÝÝ2-ÝÝ4-chloro-6-ÝÝ7-ÝÝ4-(ethenylsulfonyl)phe yl¨azo¨-8-hydroxy-3,6-disulfo-1-naphthalenyl¨amino¨-1,3,5-tr azin-2-yl¨amino¨ethyl¨(2-hydroxyethyl)amino¨-1,3,5-triazin-2 yl¨amino¨-3-ÝÝ4-(ethenylsulfonyl)phenyl¨azo¨-4-hydroxy-,sodi m salt. | PoliFocus