乙酸龙脑酯

2-methyl-6-(4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl)phenol

ethyl 2,2-dimethylspiro[bicyclo[2.2.1]heptane-3,2'-cyclopropane]-1'-carboxylate

对苯二甲酸

2,2-dimethyl-cyclopentane-1,1,3-tricarboxylic acid