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the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > containing nitrogen > pteridine (2)
pterin1934

A substituted derivative of pteridine; esp. any of a class of these compounds which occur naturally as insect pigments. Cf. pteridine, n.

pteridine1943

A yellow, crystalline, heteroaromatic compound with a bicyclic molecular structure; any substituted derivative of this, many examples of which occur…

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