產(chǎn)品名稱:E921985 Ethyl trans-3-Methyl-4-oxocrotonate
英文名稱:Ethyl trans-3-Methyl-4-oxocrotonate
品牌:加拿大TRC標(biāo)準(zhǔn)品
CAS編號(hào):62054-49-3
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