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The phosphate salt of codeine takes place as white, needle-shaped crystals or white crystalline powder. Codeine phosphate is freely soluble in water and slightly soluble in Liquor. The molecular weight is 406.37. Its molecular method is C18H21NO3•H3PO4 • ½ H2O, and it's got the subsequent chemical framework.Promethazine: Promethazine is actual