| phenyl-phosphonothioic aci o-methyl o-(p-nitrophenyl) ester |
| o-(4-nitrophenyl) o-methyl phenyl thiophosphonate |
| o-methyl o-(p-nitrophenyl) phenylphosphonothioate |
| phenylphosphonothioic acid o-methyl o-(4-nitrophenyl) ester |
| phenyl-phosphonothioic aci o-methylo-(p-nitrophenyl) ester |
