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Molecular formula : MW : CAS :
nature : drugs in the proper matrix derived dissolved or blender easy coating on the skin or mucosa on the semi-solid external agents. Generally than soft paste. The matrix is used Vaseline, fat, lanolin, vegetable oil, beeswax, etc.. For external use will gradually soften or melt and the protection and treatment. Boric acid such as cream, white ointment such as mercury drop.
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