【单选题】 甲氧苄氨嘧啶的化学名为

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  • 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
  • 请帮忙给出正确答案和分析,谢谢!