英文别名Budesonide Impurity 11; Budesonide Impurity 27; 16α,17,21-Trihydroxy-pregna-1,4,9(11)-triene-3,20-dione; (8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one; Budesonide Impurity 45; (8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one; Pregna-1,4,9(11)-triene-3,20-dione, 16,17,21-trihydroxy-, (16α)-; Budesonide Impurity N2