Patent Complexes of chloramphenicol palmitate with calcium pantothenate Jan 01, 1969 FR 5815 19680401
Patent Addition compounds of chloramphenicol palmitate and calcium pantothenate Jan 01, 1967 FR 1438328
Patent Tetracycline-N,N'-dibenzylideneethylenediamine complexes for use in isolating tetracyclines Jan 01, 1967 US 3280188
Patent Complexes of tetracyclines with N,N'-dibenzylideneethylenediimine and alkaline earth ions Jan 01, 1965 BE 645682