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a(chn)ƷB -ͪ/-Pyrrolidone W(xu)Q-ͪ CTFAQ-Pyrrolidone CAS No616-45-5 ʽ C4H7NO a(chn)Ʒ -ͪoɫ΢Sɫ΃Һw΢ζһN(qing)OЙC(j)܄cˮһЙC(j)܄ a(chn)Ʒ(yng) ܄ϳɘ֬xԪӡīˮͿϣ ЙC(j)ϳԭϣϩͪwSX(f)
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