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} .nrCntWsHB{ background-image:url(https://cdn.weblio.jp/e7/img/icons/iconYkP.png); background-position:-28px 0; background-repeat:no-repeat; display:block; float:left; font-size:0; height:13px; margin:4px 0 0 2px; text-decoration:none; width:13px; } .adHISSWrp .adHISp, .adHIWrp .adHISp, .adHIWrp .adFISp, .adMIWrp .adHSpl{ background-image:url(https://cdn.weblio.jp/e7/img/icons/wRenew/iconPntPk.png); background-position:left center; background-repeat:no-repeat; padding-left:10px; } .adLMIMAd .adHIcn{ background-image:url(https://cdn.weblio.jp/e7/img/ad/iconAdArw.png); background-repeat:no-repeat; background-position:3px 3px; margin:0; padding-left:15px; } .ertaTtl{ background-image:url(https://cdn.weblio.jp/e7/img/iconArrCrcRed.png); background-position:left center; background-repeat:no-repeat; font-weight:bold; margin-bottom:5px; padding-left:20px; }

分子式：	C₂H₄O₂[¹⁸O₂]
慣用名：	(¹⁸O₂)Acetic acid
体系名：	(¹⁸O₂)酢酸


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（１８Ｏ２）酢酸とは？わかりやすく解説

(¹⁸O₂)酢酸