for the following products
2-Butyne-1,4-diol -(3-sulfopropyl)ether sodium salt | 2-Butyne-1,4-diol, reaction products with 1,2-oxathiolane 2,2-dioxide and sodium hydroxide | Butynediolsulfopropylethersodium | HBOPS-Na and 3-(Butynediol) sulfopropyl ether monosodium salt
