CAS：68399-80-4
Molecular formula：
Molecular weight：

β,β'-dihydroxypiperazine-1,4-dipropanesulphonic acid

CAS：68189-43-5
Molecular formula：C₁₀H₂₂N₂O₈S₂
Molecular weight：362.42028

2-hydroxy-3-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]propanesulphonic acid

CAS：68399-81-5
Molecular formula：C₇H₁₇NO₇S
Molecular weight：259.27

N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid sodium salt

CAS：91000-53-2
Molecular formula：C₇H₁₆NO₆S-^.Na+
Molecular weight：265.25984

2-Hydroxy-3-(4-(2-hydroxyethyl)piperazin-1-yl)propane-1-sulfonic acid

CAS：68399-78-0
Molecular formula：C₉H₂₀N₂O₅S
Molecular weight：268.3305