The antonyms for the term "Inorganic Phosphates" can be interpreted in two ways. Firstly, the antonyms could be organic phosphates, which are natural compounds that contain phosphorus such as nucleotides, ATP, DNA, and RNA. In contrast, inorganic phosphates are derived from mined phosphate rocks, and they are not naturally occurring. Secondly, the antonyms could be any substance that does not comprise phosphates such as organic molecules, proteins, carbohydrates, and lipids. These substances do not contain phosphorus as an essential element, unlike inorganic phosphates, which are commonly used in industrial processes, agriculture, and as a source of plant nutrients.