(2016/10/09)
p. 3344 - 3352
(2007/10/02)ethyl 1-(2-bromoacetyl)cyclopropanecarboxylate
ethyl 1-acetylcyclopropanecarboxylate
4,7-dioxo-5-<1(R)-phenylethyl>-5-azaspiro<2.4>heptane
di-tert-butyl dicarbonate
7-(S)-amino-5-<1(R)-phenylethyl>-5-azaspiro<2.4>heptane
7-((S)-7-Amino-5-aza-spiro[2.4]hept-5-yl)-8-chloro-6-fluoro-1-(2-fluoro-cyclopropyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid
sitafloxacin
7-((S)-7-Amino-5-aza-spiro[2.4]hept-5-yl)-8-chloro-6-fluoro-1-((1S,2R)-2-fluoro-cyclopropyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid
(7S)-5-azaspiro[2.4]heptan-7-ylcarbamic acid tert-butyl ester