internal salts of the radical-cation of tetrathiafulvalenecarboxylic acid

ethyl 8-hydroxy-3-methyloctanoate

ethyl (E)-8-<(tetrahydro-2'H-pyran-2'-yl)oxy>-2-octenoate

ethyl 3-methyl-8-(tetrahydro-2H-pyran-2-yl)oxyoctanoate

Octanoic acid, 3-methyl-8-[[(4-methylphenyl)sulfonyl]oxy]-, ethyl ester