Synonyms: Butanoicacid, 4-[(1S,2S,3R,6S)-2-[(3S)-3-cyclohexyl-3-hydroxy-1-propynyl]-3-hydroxybicyclo[4.2.0]oct-7-ylidene]-,(4Z)- (9CI); Butanoic acid,4-[2-(3-cyclohexyl-3-hydroxy-1-propynyl)-3-hydroxybicyclo[4.2.0]oct-7-ylidene]-,[1S-[1a,2a(R*),3b,6a,7Z]]-; Bicyclo[4.2.0]octane,butanoic acid deriv.; RS 93427; RS 93427-007