API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Trapidil

EP Impurity A

5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol Trapidil-EP-Impurity-A
Trapidil

EP Impurity B

1,2,4-triazol-3-amine Trapidil-EP-Impurity-B