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鐧婚寗

棣栭爜 > 鐢㈠搧鍒楄〃 > 鐢㈠搧瑭崇窗淇℃伅

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4-Phenylene diisothiocyanate
1,4-鑻簩鐣扮～姘伴吀閰�锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴锛�

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鐩寗浣嶇疆

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