题目内容:
9. 甲氧苄啶的化学名为( ) A. 5-[[3,4,5- trimethoxyphenyl]methyl]-2,6-pyrimidine diamine
B. 5-[[3,4,5- trimethoxyphenyl]methyl]-4,6-pyrimidine diamine
C. 5-[[3,4,5- trimethoxyphenyl]methyl]-2,4-pyrimidine diamine
D. 5-[[3,4,5- trimethoxyphenyl] ethyl]-2,4-pyrimidine diamine
E. 5-[[3,4,5- trimethyphenyl]methyl]-2.4-pyrimidine diamine
参考答案: