dimethyl triphenylene-1,2-dicarboxylate

3,4-Diphenyl-cyclohex-4-ene-1,2-dicarboxylic acid dimethyl ester

1,2,3,4-Tetrahydro-triphenylene-1,2-dicarboxylic acid dimethyl ester

1,2,3,4,5,6,7,8-octahydrotriphenylene