ethyl 3,4,5,6-tetramethylpyridine-2-carboxylate

(2,3,3-trimethylcyclopropen-1-yl)benzene

6-methoxy-1,2,3,4-tetramethylnaphthalene

1,2-dimethyl-4,5,6,7-tetraphenylspiro[2.4]hepta-1,4,6-triene

3,4,5,6-tetramethylpyran-2-one