| 英文名称: | | 4-piperidinecarboxylic acid, 4-((1-oxopropyl)phenylamino)-1-(2-(2-thienyl)ethyl | | methyl 4-(n-(1-oxopropyl)-n-phenylamino)-1-(2-(2-thienyl)ethyl)-4-piperidinec | | ar boxylate | | r 31826 | | thiofentanil | | 4-((1-oxopropyl)phenylamino)-1-(2-(2-thienyl)ethyl)-4-piperidinecarboxylic aci methyl ester |
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