Appeal No. 2001-2138
Application No. 08/403,276
A. Findings of fact
Background
1. Compounds that are mirror images of one another are called
“enantiomers.” See In re May, 574 F.2d 1082, 1085, 197 USPQ 601, 603 (CCPA 1978)
for a brief review of stereochemical terminology and conventions. Such compounds are
also called “chiral” (‘handed’), and “antipodal.” (E.g., Brief at 4.)
2. The standard numbering system for steroids is as follows:
(LOUIS F. FIESER & MARY FIESER, STEROIDS 1 (1959) (“FIESER”).
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