"4-氨基吡唑并[3,4-d]嘧啶"
"4-氨基吡唑并[3,4-d]嘧啶"
"4-氨基吡唑并[3,4-d]嘧啶"
"4-氨基吡唑并[3,4-d]嘧啶"
"4-氨基吡唑并[3,4-d]嘧啶"
4-氨基吡唑并[3,4-d]嘧啶
4-氨基吡唑并[3,4-d]嘧啶
4-氨基吡唑并[3,4-d]嘧啶
"4-氨基吡唑并[3,4-d]嘧啶"
"4-氨基吡唑并[3,4-d]嘧啶"
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4-氨基吡唑并[34-d]嘧啶