purine n.嘌呤嘌呤嘌呤...nuclease purine 嘌呤核酸酶...triketo purine 尿酸...purine nucleoside 嘌呤核苷...purine ring 嘌呤环...purine group 嘌呤类...amino purine 氨基嘌呤...purine nucleoside phosphorylase 嘌呤核苷磷酸化酶...purine trione 尿酸...purine deamidnse 嘌呤脱酰胺酶...purine amidase 嘌呤酰胺酶...purine bases 嘌呤硷...
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