Betamethasone EP Impurity J

Chemical Name: 17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione

Synonym: 9-Desfluoro-11-deoxy Betamethasone; (8R,9S,10R,13S,14S,16S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Smile: [H][C@@]12C[C@]([C@](C(CO)=O)([C@]1(CC[C@]3([C@]2(CCC4=CC(C=C[C@]34C)=O)[H])[H])C)O)([H])C