英文别名Budesonide Impurity I; Budesonide EP Impurity I; 11β,17,21-trihydroxy-3,20-dioxopregna-1,4-dien-16α-yl butanoate; (11β,16α)-11,17,21-Trihydroxy-3,20-dioxopregna-1,4-dien-16-yl butyrate; Butanoic acid, (11β,16α)-11,17,21-trihydroxy-3,20-dioxopregna-1,4-dien-16-yl ester; 16alpha-Hydroxyprednisolone 16-butyrate; 11beta,17,21-Trihydroxy-3,20-dioxopregna-1,4-dien-16alpha-yl Butanoate; (11beta,16alpha)-11,17,21-Trihydroxy-16-(1-oxobutoxy)pregna-1,4-diene-3,20-dione; 16alpha-Butyloxyprednisolone 
