"1-Carboxypentyl-2,3,3-trimethylindolenium-5-sulfonate, Potassium Salt (technical grade)"
"1-Carboxypentyl-2,3,3-trimethylindolenium-5-sulfonate, Potassium Salt (technical grade)"
"1-Carboxypentyl-2,3,3-trimethylindolenium-5-sulfonate, Potassium Salt (technical grade)"