114647-67-5
(3S,1'R)-5-(1'-carboxy-3'-methylbutoxy)imino-3-hydroxy-1-cyclopentene-1-acetic acid methyl ester
→
~81%
112318-63-5
(-)-3β-hydroxy-1β-methoxycarbonylmethylcyclopent-1-en-5-one
114647-58-4
methyl 2-((1S,2R,3S)-2-(nitromethyl)-5-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)cyclopentyl)acetate