Acetic acid (2R,3S,4R,5S,6R)-3-acetoxy-2-acetoxymethyl-5-acetylamino-6-[(S)-2-hydroxy-3-((2S,5R,6S,9R)-6-isopropyl-4,9-dimethyl-3-oxo-1,4-diaza-spiro[4.5]dec-2-yl)-propyl]-tetrahydro-pyran-4-yl ester

(2R,3S,4R,5S,6R)-5-acetamido-2-(acetoxymethyl)-6-(((1S,2S,2'S,3a'S,5R)-2-isopropyl-5,5'-dimethyl-4'-oxotetrahydro-2'H-spiro[cyclohexane-1,6'-imidazo[1,5-b]isoxazol]-2'-yl)methyl)tetrahydro-2H-pyran-3,4-diyl diacetate

(5S,6S,9R)-6-isopropyl-4,9-dimethyl-1,4-diazaspiro[4.5]dec-1-en-3-one 1-oxide