xanthopterin
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xan·thop·ter·in
(zăn-thŏp′tər-ĭn)n.
A yellow pigment found in many insects, especially in the wings of certain butterflies and moths, and also present in the urine of mammals.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
xanthopterin
(zænˈθɒptərɪn)n
(Chemistry) chem a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
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