(+)-(1S,2R)-1-carbomethoxy-2-methylcyclobutane
cis-2-methylcyclobutanecarboxylic acid
N-[(R)-α-(hydroxymethyl)benzyl]-(1R,2S)-cis-2-methylcyclobutanecarboxamide
(1S,2R)-2-Methyl-cyclobutanecarboxylic acid ((R)-2-hydroxy-1-phenyl-ethyl)-amide
(+/-)-cis-1-carbomethoxy-2-methylcyclobutane