甲氧苄氨嘧啶的化学名为

  • A: 5-[[3,4,5-trimethoxyphenyl]methyl]-2,6-pyrimidinediamine
  • B: 5-[[3,4,5-trimethoxyphenyl]methyl]-4,6-pyrimidinediamine
  • C: 5-[[3,4,5-trimethoxyphenyl]methyl]-2,4-pyrimidinediamine
  • D: 5-[[3,4,5-trimethoxyphenyl]ethyl]-2,4-pyrimidinediamine
  • E: 5-[[3,4,5-trimethyphenyl]methyl]-2.4-pyrimidinediamine

答案：

解析：

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