Fig. 1

Chemical structure of (a) Safinamide mesylate (SAF), (b) 4-Hydroxybenzaldehyde (4-HBD), (c) SAF hydrolytic degradation product, and (d) SAF oxidative degradation product.

Chemical structure of (a) Safinamide mesylate (SAF), (b) 4-Hydroxybenzaldehyde (4-HBD), (c) SAF hydrolytic degradation product, and (d) SAF oxidative degradation product.