Budesonide Impurity 4

Chemical Name: (6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7,10-dihydroxy-6a,8a-dimethyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(10H)-dione

Synonym: 9-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine ;