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US 5,859,266 AGranted
"N-T-butyl-androst-3-5-diene-17 .beta.-carboxamide-3-carboxylic" acid polymorph A
AssigneeSmithKline Beecham Corporation
InventorsNeil Howard Baine, Neville Lewis Holder, Donald Nathaniel Klein, Robert Lee Webb, Gary Edward Zuber
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Abstract
Polymorph "A" a novel polymorphic form of N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3-carboxylic acid. Novel processes for preparing polymorph "A" are also disclosed.
Claims3
A compound of the structure ##STR2## substantially in the polymorph A form.
Dependencies are inferred from the claim text.