| Code | Chemicals Name | Abbreviations | Structures |
| a | N-Methyl bis(2-ethyloxy-(methylphosphoryloxy)ethyl)amine | PNP-MEX |
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| b | N-Methyl bis(2-isopropyloxy-(methylphosphoryloxy)ethyl)amine | PNP-MPrX |
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| c | N-Methyl bis(2-butyloxy-(methylphosphoryloxy)ethyl)amine | PNP-BX |
|
| d | N-Methyl bis(2-isopropyloxy-(ethylphosphoryloxy)ethyl)amine | PNP-EPrX |
|
| e | N-Methyl bis(2-propyloxy-(ethylphosphoryloxy)ethyl)amine | PNP-EPX |
|
| f | N-Methyl bis(2-ethyloxy-(isopropylphosphoryloxy)ethyl)amine | PNP-PrEX |
|
| g | N-Methyl bis(2-isopropyloxy-(isopropylphosphoryloxy)ethyl)amine | PNP-PrPrX |
|
| h | N-Methyl bis(2-isopropyloxy-(propylphosphoryloxy)ethyl)amine | PNP-PrPX |
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