T1R1I1S1U1L1F4I1D2E1S1
15 points
TRISULFIDES is validvalid
TRISULFIDE,
TRISULFIDE, a sulphide with three atoms of sulphur to the molecule, also TRISULPHIDE
TRISULFIDE,
TRISULFIDE, a sulphide with three atoms of sulphur to the molecule, also TRISULPHIDE