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a(chn)ƷB -ͪ Ąe2-ͪ-ͪ(ni)2--(ni) ӢQ 2-Pyrrolidinone ӢĄe 2-Pyrrolidone; Butyrolactam; 2-Pyrrolidone CAS ̖ 616-45-5 ʽ C4H7NO 85.10 99%  -PoɫҺwc(din)25.6CWc(din)129.4Cc(din)245Ccˮͼͼͪȷ¼ ; -Poɫĸ߷c(din)O܄ҲЙC(j)ϳgwҪںϳɘ֬r(nng)ˎԪīǵ܄Լa(chn)ϩͪd]-4X(f)ȵԭ
l(f)r(sh)g 2011/8/17 16:34:00
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