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Five-Membered Heterocycles with Three Hetero Atoms [Pg.14]

There are three main classes of heterocycles that can be classified rmder this heading. These are heterocycles with three nitrogen atoms and with two nitrogen atoms in addition to one oxygen or sulfur atom. [Pg.14]

See other pages where Five-Membered Heterocycles with Three Hetero Atoms is mentioned: [Pg.1155] [Pg.312] [Pg.161] [Pg.145] [Pg.19] [Pg.22]