https://www.semanticscholar.org/topic/Thiophosphoric-Acid-Esters/3085770
Thiophosphoric Acid Esters | Semantic Scholar
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https://www.merriam-webster.com/dictionary/thiophosphoric%20acid
THIOPHOSPHORIC ACID Definition & Meaning - Merriam-Webster
The meaning of THIOPHOSPHORIC ACID is any of a series of acids derived from the phosphoric acids by replacement of one or more atoms of oxygen with sulfur;...
aciddefinitionmeaningmerriamwebster