62756-20-1

Spiro[chroMan-2,1'-cyclohexan]-4-one Spiro[chromane-2,1'-cyclohexan]-4-one spiro[2H-1-benzopyran-2,1'-cyclohexan]-4(3H)-one 3,4-dihydrospiro[1-benzopyran-2,1-cyclohexan]-4-one 3,4-dihydrospiro[1-benzopyran-2,1'-cyclohexane]-4-one