1,2,2-trimethylspiro[2.4]hepta-4,6-diene

1-(2,3-二氢-1,1,2,3,3-五甲基-1H-茚-5-基)乙烷-1-酮

1,1,2,3,3,5-六甲基茚满

1-Aethyl-1.3.3.5(6)-tetramethylindan

3-ethyl-1,1,3,5-tetramethyl-2H-indene