They also found hypoxanthine and xanthine , which don 't factor in to dna but are used in other biological functions .
他们还发现了次黄嘌呤和黄嘌呤,它们于dna不发挥作用,但被用于其他生物功能。
Establishment of hyperuricemia rat model with different doses of hypoxanthine and oxonic acid potassium salt .
次黄嘌呤与氧嗪酸钾不同剂量配伍制备高尿酸血症大鼠模型。
Moreover , analysis of the antarctic ice and australian soil around where the meteorites were found showed the amounts of the two nucleobases as well as the hypoxanthine and xanthine to be drastically lower .