Merck 108652 3-(Trimethylsilyl)Propionic Acid-D4 Sodium Salt Deuteration Degree Min. 98% For Nmr Spectroscopy Cas 24493-21-8Merck 108652 3-(Trimethylsilyl)Propionic Acid-D4 Sodium Salt Deuteration Degree Min. 98% For Nmr Spectroscopy Cas 24493-21-8, Merck108652.0001