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Application filed by PfizerfiledCriticalPfizer
Priority to TW083100082ApriorityCriticalpatent/TW346490B/en
Application grantedgrantedCritical
Publication of TW346490BpublicationCriticalpatent/TW346490B/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
An antiparasitic compound of the formula (I) (I) in which the broken line at the 22-23 position represents an optional single or double bond and either this bond is present and R1 is absent or this bond is absent and R1 is H or OH; R2 is C1-C8-alkyl or C3-C8-cycloalkyl; R3 is H; R4 is H or a group capable of being hydrolysed in vivo to yield a compound in which R4 is H; R5 is OH; and R6 is H.