三苯基铋

3,3,10,10-tetramethyl-13-(4-nitrophenyl)dispiro[5.0.5⁷.1⁶]tridecane-1,5,8,12-tetraone

4-(3,3,10,10-tetramethyl-1,5,8,12-tetraoxodispiro[5.0.57.16]tridecan-13-yl)benzonitrile

4(5H)-Benzofuranone, 6,7-dihydro-6,6-dimethyl-2-phenyl-

6,6-dimethyl-2-hexyl-4-oxo-4,5,6,7-tetrahydrobenzofuran