4-(Piperazin-1-yl)butane-1-sulfonic acid
6-(4-Methylpiperazin-1-yl)pyridine-3-sulfonic acid
3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid) dihydrate
5-Bromo-4-(piperazin-1-yl)pyridine-3-sulfonic acid
4-(Piperazin-1-yl)pyridine-3-sulfonic acid
5-Bromo-4-(4-methylpiperazin-1-yl)pyridine-3-sulfonic acid
5-Chloro-4-(4-methylpiperazin-1-yl)pyridine-3-sulfonic acid
4,4'-(Piperazine-1,4-diyl)bis(butane-1-sulfonic acid)
3,3'-(Piperazine-1,4-diyl)bis(propane-1-sulfonic acid)
3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid)
3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid), sodium salt(2:3)
2-Hydroxy-3-(4-(2-hydroxyethyl)piperazin-1-yl)propane-1-sulfonic acid xhydrate
4-(4-Methylpiperazin-1-yl)pyridine-3-sulfonic acid
(S)-3-((R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-2-oxoazetidine-1-sulfonic acid
1-Cyclopropyl-6-fluoro-4-oxo-7-(4-sulfopiperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
