3-O-acyl-4"-deoxydesmycosin derivatives

3-O-benzyl-2,4,6-tridooxy-6-iodo-alpha-D-erythro-hexopyranide us

3-O-Demethyl derivatives of Sannamycin C and antibiotic AX-127B-

3-O-Oleandrosyl-5-O-desosaminyl erythronolide compounds

3-oxabicyclo-(3,1,0)-hexan-2-ones

3-oxadiazolyl-1,6-naphthyridine derivatives

3-Oxaprostaglandins

3-oxaprostaglandins

3-oxiranyl benzoic acids and derivatives thereof

3-oxo-1,2,4-triazolo(4,3-A) pyrimidine-6-carboxylic acid esters

3-oxo-2-azabicyclohexane derivatives

3-Oxoalkylidene-2-azetidinone derivatives

3-oxopropane-1-sulphonic acids and sulphonates

3-Oxopyridazinylthiomethyl derivatives of ureidocephalosporins

3-Parahydroxyphenyl-5-methylether-2-oxazolidinone compounds

3-pentenamides from 1,3-butadienes

3-perfluoroalkyl-5-hydroxyisoxazoles

3-Perhaloalkylhydroxy-oxazolidines and thiazolidines herbicidal

3-Perhaloalkylhydroxy-oxazolidines and thiazolidines herbicidal

3-phenethyl-2-benzene-amides or aza-derivatives thereof