SULPHONYL is validvalid

a particular chemical divalent group, also SULFONYL, SULFURYL, SULPHURYL

115,786 of 196,601 in NWL2023·also valid in CSW24

a particular chemical divalent group, also SULFONYL, SULFURYL, SULPHURYL

239,560 of 280,887 in CSW24·also valid in NWL2023

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