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leucopterin

noun
leu·​cop·​te·​rin | \lüˈkäptərə̇n\

Definition of leucopterin 

: a crystalline alkali-soluble compound H2NC6N4(OH)3 that constitutes the white pigment of cabbage butterflies and other lepidoptera and wasps and is convertible into xanthopterin on reduction; 2-amino-4,6,7-trihydroxy-pteridine

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History and Etymology for leucopterin

International Scientific Vocabulary leuc- + pterin

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