单词 pterin 释义 pterin Chem.|trn|Also -ine.[a. G. pterin (Wieland & Schpf 1925, in Ber. d. Deut. Chem. Ges. LVIII. 2178), f. Gr. - wing, feather: see -in1.]Any of a class of naturally occurring pteridine derivatives found esp. as insect pigments; more g...