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Acetaminophen, 4¢-hydroxyacetanilide,
is a nonopiate, non-salicylate analgesic and antipyretic which occurs as a
white, odorless, crystalline powder, possessing a slightly bitter taste. It
has the following molecular formula: C8H9NO2,
with a molecular weight of 151.16 |
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Codeine is an alkaloid, obtained from opium or prepared from morphine by
methylation. Codeine phosphate occurs as fine, white, needle-shaped
crystals, or white, crystalline powder. It is affected by light. Its
chemical name is: 7,8-didehydro-4,5a-epoxy-3-methoxy-17-
methylmorphinan-6a-ol
phosphate (1:1) (salt) hemihydrate. It has the following molecular formula:
C18H21NO3·H3PO4·½H2O
with a molecular weight of 406.37 |
