4-Methylumbelliferyl pyrophosphate diest, er disodium salt, 250 mg

4-Methylumbelliferyl pyrophosphate diest, er disodium salt, Molar mass (M) 538,25 g/mol, CAS No. 84282-11-1, Empirical formula C₂₀H₁₄Na₂O₁₁P₂