Synonyms: cis-1,1,3,4-Tetramethylcyclopentane;trans-1,1,3,4-Tetramethylcyclopentane;1,1,3,4-Tetramethylcyclopentane;20309-77-7;53907-60-1;Cyclopentane, 1,1,3,4-tetramethyl-, cis-;Cyclopentane, 1,1,3,4-tetramethyl-, trans-;AC1L3HGF;AG-G-96489;74563-63-6