API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Ethyl Hydroxybenzoate
Ethyl 4-hydroxybenzoate Ethyl Hydroxybenzoate_Ethyl 4-hydroxybenzoate
Ethyl Hydroxybenzoate

EP Impurity A

4-hydroxybenzoic acid Ethyl Hydroxybenzoate_EP Impurity A
Ethyl Hydroxybenzoate

EP Impurity B

methyl 4-hydroxybenzoate Ethyl Hydroxybenzoate_EP Impurity B
Ethyl Hydroxybenzoate

EP Impurity C

propyl 4-hydroxybenzoate Ethyl Hydroxybenzoate_EP Impurity C
Ethyl Hydroxybenzoate

EP Impurity D

butyl 4-hydroxybenzoate Ethyl Hydroxybenzoate_EP Impurity D