| 摘要 |
The invention provides a delayed release tablet, comprising: (i) a core comprising an active ingredient selected from the group consisting of oxybutynin hydrochloride, propranolol hydrochloride, buspiron hydrochloride, niacin, cetirizin hydrochloride, cerivastin sodium, metoprolol fumarate, and alendronate sodium., and conventional excipients; and (ii) a coating consisting essentially of a water-insoluble, water-permeable film- forming polymer, a plasticizer and a water-soluble polymer.
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