盐酸头孢替安酯杂质
cefotiam hexetil hydrochloride impurity
盐酸头孢替安
cefotiam hydrochloride
盐酸头孢替安酯杂质I
cefotiam hexetil hydrochloride impurity I
盐酸头孢替安酯杂质II
cefotiam hexetil hydrochloride impurity II
盐酸头孢替安酯杂质III
cefotiam hexetil hydrochloride impurity III
盐酸头孢替安酯杂质IV
cefotiam hexetil hydrochloride impurity IV