Sulfur is one of the components of some amino acids, protein, and co-enzyme A (co-enzyme A plays a crucial role in enzyme catalyzed reactions within the plant); when absent, marked losses in production will result.
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DRUG DESCRIPTION. VIREAD is the brand name for tenofovir disoproxil fumarate (a prodrug of tenofovir) which is a fumaric acid salt of bis-isopropoxycarbonyloxymethyl ester derivative of tenofovir. In vivo tenofovir disoproxil fumarate is converted to tenofovir, an acyclic nucleoside phosphonate (nucleotide) analog of adenosine 5'-monophosphate.