| 英文名称: | | 3-(2,5-dimethyl-4-oxo-1-piperidinyl)-, methyl ester, (1(e),2-2-propenoic aci | | 5-beta)-alph | | (1(e),2-alpha,5-beta)-3-(2,5-dimethyl-4-oxo-1-piperidinyl)-2-propenoic acid m | | trans-n-beta-(2e,5e-dimethyl-4-oxo-1-piperidyl)acrylic acid methyl ester | | 3-(2,5-dimethyl-4-oxo-1-piperidinyl)-, methyl ester,(1(e),2-alpha,5-beta)-2-propenoic aci |
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