2,2-二甲基琥珀酸酐

9,10-二氢菲

2-(3-Methoxycarbonyl-3-methyl-butyl)-9,10-dihydro-phenanthren

2-<3-Carboxy-3-methyl-butyl>-9,10-dihydro-phenanthren

2-(3-Carboxy-3-methyl-1-oxo-butyl)-9,10-dihydro-phenanthren