| phenyl-phosphonothioic aci o-ethyl o-(2-nitrophenyl) ester |
| thiono-benzenephosphonic aci ethyl o-nitrophenyl ester |
| phenylphosphonothioic acid o-ethyl o-(2-nitrophenyl) ester |
| phenylphosphonothioic acid o-ethyl o-o-nitrophenyl ester |
| phenyl-phosphonothioic aci o-ethylo-(2-nitrophenyl) ester |
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