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Heterocyclic Building Blocks

Benzodioxanes - (2)
Benzofurans - (2)
Benzopyrans - (3)
Benzoxazines - (1)
Furans - (28)
Imidazolines/Imidazolidines - (3)
Indoles - (13)
Isoquinolines - (7)
Morpholines - (7)
Oxazoles - (2)
Oxazolines/Oxazolidines - (1)
Piperazines - (15)
Piperidines - (34)
Purines - (1)
Pyrans - (5)
Pyrazines - (2)
Pyridines - (12)
Pyrimidines - (1)
Pyrrolidines - (93)
Quinuclidines - (6)
Thiazoles - (2)
Thiophenes - (2)
Others - (26)

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