Nsc126893

.beta.-Truxinic acid

3α,4α-Diphenylcyclobutane-1β,2β-dicarboxylic acid

(1S)-3β,4β-Diphenyl-1α,2α-cyclobutanedicarboxylic acid

(1α,2α,3β,4β)-3,4-Diphenyl-1,2-cyclobutanedicarboxylic acid