Methylprednisolone EP Impurity B

Chemical Name: 11β,17,21,21-tetrahydroxy-6α-methylpregna-1,4-diene-3,20-dione; Methylprednisolone Acetate EP Impurity C

Synonym: 2-amino-1-methyl-1,5-dihydro-4H-imidazol-4-one

Smile: C[C@@]12[C@](C(C(O)O)=O)(O)CC[C@@]1([H])[C@]3([H])C[C@H](C)C4=CC(C=C[C@]4(C)[C@@]3([H])[C@@H](O)C2)=O.C[C@@]56[C@](C(C=O)=O)(O)CC[C@@]5([H])[C@]7([H])C[C@H](C)C8=CC(C=C[C@]8(C)[C@@]7([H])[C@@H](O)C6)=O