138386-71-7
2-[(E)-2-(4-pyridinyl)ethenyl]aniline
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98-68-0
4-甲氧基苯磺酰氯
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173528-92-2
(E)-4-[2-{2-[N-(4-甲氧基苯磺酰基)氨基]苯基}乙烯 ]吡啶