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【单选题】
下列叙述中哪项与双嘧达莫不符
A.
结构中含有嘧啶并嘧啶环
B.
结构中含有哌啶环
C.
结构中含有二乙醇氨基
D.
结构中含有哌嗪环
E.
为较强的扩张剂，还有抑制血小板凝集作用
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m=k=n
B.
(m=k)&&(n=k)
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(m=k)||(n=k)
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C.
没有日光和紫外线照射，使库房保持黑暗，切勿露天存放
D.
不要与机油、润滑脂、可燃气体、化学制品、溶剂、油漆或类似的物品一起存放
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