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Ěü;时间2022-08-09 转载 阅读 ĚૣTetrahydrofuranһ(g)sh(hun)ЙC(j)ʽC4H8O(li)ȫ仯a(chn)һNo(w)ɫcˮܡڳس^СճȵЙC(j)Һw@Nh(hun)ѵĻW(xu)ʽɌ(xi)(CH2)4OҺB(ti)L(zhng)һNõеȘO|(zh)܄Ҫ;߷ӾۺǰwMTHFĚζͻW(xu)|(zh)cѺƣЧsܲ 1܄ЙC(j)ϳɵԭϡ 2ɫVԇЙC(j)܄66gwĚһh(hun)sh(hun)āǺϳr(nng)ˎagwֱƺϳwSϳɘ(sh)֬ϳzҲSۺϲܴŎ價I(y)܄߀Ƽᡢ-(ni)t(y)ˎI(y)ϣa(chn)ȱSwͪ(f)ùغˎ܄ 3ĚһNҪЙC(j)ϳԭ܃(yu)܄emܽPVCƫϩͶVͿͿӡˢīŎͱĤͿϵ܄(yng)܄XҺr(sh)XӺҹĚɿsۣ(jng)(yng)xl(f)_(ki)h(hun)پۺϣɾāѶPTMEGҲQ(chng)Ě૾PTMEGcױTDIƳĥܺ͜(qing)ȸߵطNzc(du)1,4-ƳǶξѾԲ(du)|(zh)2000PTMEGc(du)p-(4-)MDIƳɾ۰wS]SPANDEXwSطNzһЩ;ͿϵԭϡЙC(j)ϳɷa(chn)Ěԡ1,2-2,3-Ě(ni)(ni)ͪt(y)ˎI(y)棬THFںϳɿȱ(f)ùSwͪһЩˎTHF(jng)̎ĚȼϚеijζR(sh)eӄTHF߀ϳɸı̎턩 ע(xing)ע(xing)]ȫͨL(fng)ˆT횽(jng)^(gu)(zhun)T(mn)Ӗ(xn)(yn)زҎ(gu)̡hˆT^(gu)Vʽߣ֣ȫo(h)Ro늹zסh(yun)xNԴ(chng)(yn)ʹ÷͵ͨL(fng)ϵy(tng)O(sh)䡣ֹй©(chng)՚c(li)A(li)|br(sh)(yng)нӵbãֹo늷e\(yn)r(sh)Ҫpbpжֹbp(yng)ƷN͔(sh)ļй©(yng)̎O(sh)յܚк (ch)ע(xing)ͨƷۄ(ch)ꎛͨL(fng)Ď(k)h(yun)xNԴ(k)ز˳^(gu)30bҪܷc՚|(yng)c(li)A(li)ȷ_(ki)мɻ샦(ch)÷ͨL(fng)O(sh)ʩֹʹa(chn)ęC(j)еO(sh)ߡ(ch)^(q)(yng)й©(yng)̎O(sh)ͺmݲ |
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