| 英文名称: | | 2-butenedioic acid, 2-(2,2,5-trimethyl-4-oxo-1-piperidinyl)-, diethyl ester, (e | | (2,2,5-trimethyl-4-oxo-1-piperidyl)maleic acid diethyl ester | | (e)-2-(2,2,5-trimethyl-4-oxo-1-piperidinyl)-2-butenedioic acid diethyl ester | | 2-(2,2,5-trimethyl-4-oxo-1-piperidinyl)-, diethyl ester, (e)-2-butenedioic aci |
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