B3I1S1U1L1F4I1D2E1S1
16 points
BISULFIDES is validvalid
BISULFIDE, hydrogen sulfide [n]
BISULFIDE, a sulphide having two atoms of sulphur in the molecule, also BISULPHIDE [n]
BISULFIDE, hydrogen sulfide [n]
BISULFIDE, a sulphide having two atoms of sulphur in the molecule, also BISULPHIDE [n]