2465-59-0
羟基嘌呤
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42754-97-2
6-氯-1,5-二氢-4H-吡唑并[3,4-d]嘧啶-4-酮
42754-96-1
4,6-二氯-1H-吡唑并[3,4-C]嘧啶
2537-04-4
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24521-76-4
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99979-82-5
6-Amino-1,2-dihydro-4H-pyrazolo[3,4-d]pyrimidine-4-thione