Sodium 4-methyl-2-oxo-2H-chromen-7-yl phosphate, 4-Methylumbelliferyl phosphate sodium salt, 4-MUP,Disodium 4-methylumbelliferyl phosphate, disodium 4-methyl-2-oxo-2h-chromen-7-yl phosphate, 4-Methylumbelliferylphosphate disodium salt trihydrate, 4-MUP, 4-Methylumbelliferyl phosphate,disodium salt, Disodium 4-methylumbelliferyl phosphate