Protective coatings. XIII. Amphoteric polyvinylpyridine derivatives.
D002626:Chemistry, Pharmaceutical; D005079:Excipients; D010604:Pharmacy; D011108:Polymers; D011725:Pyridines; D013607:Tablets
D005079:Excipients; D011108:Polymers; D011725:Pyridines; D013607:Tablets
CHEMISTRY, PHARMACEUTICAL; POLYMERS; PYRIDINES; TABLETS