T1R1I1S1U1L1P3H4I1D2E1S1
18 points
TRISULPHIDES is validvalid
TRISULPHIDE, a compound with three atoms of sulphur [n]
TRISULPHIDE, a sulphide with three atoms of sulphur to the molecule, also TRISULFIDE [n]
TRISULPHIDE, a compound with three atoms of sulphur [n]
TRISULPHIDE, a sulphide with three atoms of sulphur to the molecule, also TRISULFIDE [n]