4-dihydro-5-hydroxy-

5-HYDROXY-2-TETRALONE

5-hydroxyl-2-tetralone

3,4-Dihydro-5-hydroxynaphthalen-2(1H)-one

5-Hydroxy-3,4-dihydronaphthalen-2(1H)-one

5-hydroxy-1,2,3,4-tetrahydronaphthalen-2-one