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Polygalaxanthone xi

S-methylisothioureahydrochloride

5-Methoxyacetylamino-2,4,6-triiodoisophthalic acid (2,3-dihydroxypropyl)amide chloride

Methanesulfonic anhydride

N-(4-amino-2-chloro-6-methoxy)-7-quinazolinyl acetamide