甲氧苄氨嘧啶的化学名为 ( 章节：16 难度：5)

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