英文名称: | 5h-(1)benzothiopyrano(4,3-b)pyridine-3-carbonitrile, 9-chloro-2-methoxy-4-(1-na | phthalenyl)- | 9-chloro-2-methoxy-4-(1-naphthalenyl)-5h-(1)benzothiopyrano(4,3-b)pyridi ne-3 | 3-b)pyridine-3-carbonitrile,9-chloro-2-methoxy-4-(1-naphthalenyl)-5h-(1)benzothiopyrano( |
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