1-N-[(S)-.alpha.-hydroxy-.omega.-aminoacyl]

1-N-[(S)-.alpha.-hydroxy-.omega.-aminoacyl] derivatives of 3',4'

1-naphthol compound and method for preparing compound having...

1-Nitro-2-(2-alkynylamino)-2-[(2-pyridylmethylthio)-ethylamino]e

1-Nitro-9-alkylaminoalkylaminoacridines and salts thereof

1-Nitro-9-dialkylaminoisoalkylaminoacridines or their salts

1-O-(2-propenyl)-6-deoxy-6-carbonylthiopyranosides

1-O-alkyl-3-amino-propan-1.2-diol-2-O-phospholipids

1-Oxa-.beta.-lactam antibiotics

1-Oxa-2-oxo-3-r-3-aza-5-z-cyclopentane derivatives

1-Oxa-3,8-diazaspiro[4.5]decanes

1-oxa-3-oxo-4,8-diaza-spiro(4,5)decane compounds

1-Oxa-6-azaspiro[2.5]octanes

1-oxadethia cephalosporin hydroxamic acid derivatives

1-Oxadethiacepham compounds

1-oxadethiacepham compounds

1-Oxadethiacepham compounds

1-Oxadethiacepham compounds

1-Oxadethiacepham compounds

1-Oxadethiacepham compounds and process for producing said compo