p. 5124 - 5126
(2007/10/02)(1α,2α,3β,4β)-2,4-bis(2-methoxyphenyl)cyclobutane-1,3-dicarbonyl dichloride
α-2,4-bis(2-methoxyphenyl)cyclobutane-1,3-dicarboxylic acid
2-methoxycinnamic acid
(1α,2α,3β,4β)-1,3-dicyano-2,4-bis(2-methoxyphenyl)cyclobutane-1,3-dicarboxylic acid
(1α,2α,3β,4β)-2,4-bis(2-methoxyphenyl)cyclobutane-1,3-dicarboxamide