S1U1L1F4O1N1Y4L1
14 points
SULFONYL is validvalid
a bivalent radical [n SULFONYLS]
a bivalent sulphone group, also SULFURYL, SULPHONYL, SULPHURYL [n -S]
a bivalent radical [n SULFONYLS]
a bivalent sulphone group, also SULFURYL, SULPHONYL, SULPHURYL [n -S]