3,4-二氢-2H-菲-1-酮

1,2,3,4-四氢菲

2,3-二氢-4(1H)-菲酮

1-(1,2,3,4-tetrahydro-[9]phenanthryl)-ethanone

9-ethyl-3,4-dihydro-2H-phenanthren-1-one