API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Phenytoin

EP Impurity B

Diphenylethanedione (benzil). Phenytoin-EP-Impurity-B
Phenytoin

EP Impurity A

Diphenylmethanone (benzophenone) Phenytoin-EP-Impurity-A
Phenytoin

Related Compound A

2,2-Diphenylglycine