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... YPYR ... (16 elements)

de (1) : POLYPYRROL

en (10) : DEOXYPYRIMIDINE · HYDROXYPYRUVATE · METHOXYPYRAZINES · MYPYRAMID · POLYPYRIDINE · POLYPYRIMIDINE · POLYPYRROLE · SULFAMETHOXYPYRAZINE · SULFAMETHOXYPYRIDAZINE · SULPHAMETHOXYPYRIDAZINE

es (1) : DASYPYRUM

fr (3) : DYPYRIDAMOLE · HYDROXYPYRUVATE · SULFAMETHOXYPYRIDAZINE

pt (1) : DASYPYRUM

... PYR ... (2593 elements)

ALGOPYRIN · FAGOPYRISM · FAGOPYRISME · FAGOPYRUM · GLUCOPYRANOSYL · LEUCOPYRITE · METHYLGLUCOPYRANOSIDES · OLIGOPYRIMIDIQUE · PARACOPYRIGHT · PYR

... YPY ... (112 elements)

AMBLYPYGID · EURYPYLE · EURYPYLOS · EURYPYLUS · LYHTYPYLVAS · POLYPYORRE · POLYPYRIDINE · POLYPYRIMIDINE · POLYPYRROL · POLYPYRROLE

... DYPYR ... (1 element)

DYPYRIDAMOLE

... LYPYR ... (4 elements)

POLYPYRIDINE · POLYPYRIMIDINE · POLYPYRROL · POLYPYRROLE

... MYPYR ... (1 element)

MYPYRAMID

... SYPYR ... (2 elements)

DASYPYRUM

... XYPYR ... (8 elements)

DEOXYPYRIMIDINE · HYDROXYPYRUVATE · METHOXYPYRAZINES · SULFAMETHOXYPYRAZINE · SULFAMETHOXYPYRIDAZINE

... YPYRA ... (3 elements)

METHOXYPYRAZINES · MYPYRAMID · SULFAMETHOXYPYRAZINE

... YPYRI ... (7 elements)

DEOXYPYRIMIDINE · DYPYRIDAMOLE · POLYPYRIDINE · POLYPYRIMIDINE · SULFAMETHOXYPYRIDAZINE

... YPYRR ... (2 elements)

POLYPYRROL · POLYPYRROLE

... YPYRU ... (4 elements)

DASYPYRUM · HYDROXYPYRUVATE