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D01 Inorganic Chemicals D007287 +
D01.029 Acids D000143 +
D01.029.260 Acids, Noncarboxylic D000148 +
D01.029.260.700 Phosphorus Acids D017976 +
D01.029.260.700.700 Phosphorous Acids D010757
D01 Inorganic Chemicals D007287 +
D01.695 Phosphorus Compounds D017553 +
D01.695.625 Phosphorus Acids D017976 +
D01.695.625.700 Phosphorous Acids D010757
D01.695.625.700.675 Phosphites D017905
D02 Organic Chemicals D009930 +
D02.705 Organophosphorus Compounds D009943 +
D02.705.676 Phosphorous Acids D010757
D02.705.676.700 Phosphites D017905