Ethyl 5-[bis(2-ethoxy-2-oxoethyl)amino]-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate |
3-Thiopheneacetic acid, 5-[bis(2-ethoxy-2-oxoethyl)amino]-4-cyano-2-(ethoxycarbonyl)-, ethyl ester |
Ethyl 5-[bis(2-ethoxy-2-oxoethyl)amino]-4-cyano-3-(2-ethoxy-2-oxoethyl)-2-thiophenecarboxylate |
海关编码 | 2934999090 |
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