CAS Number: 630-93-3
Chemical Name: Phenytoin Sodium
Molecular Formula: C15H11N2NaO2
Molecular Weight: 274.25

CAS Number: 5157-15-3
Chemical Name: 3a,6a-Diphenyltetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione
Molecular Formula: C16H14N4O2
Molecular Weight: 294.31