S1U1L1F4O1N1I1U1M3
14 points
SULFONIUM is validvalid
the positively charged group SH3, its salts or derivatives, also SULPHONIUM
the positively charged group SH3, its salts or derivatives, also SULPHONIUM
the positively charged group SH3, its salts or derivatives, also SULPHONIUM
the positively charged group SH3, its salts or derivatives, also SULPHONIUM