![(E)-1-(3-(三불소메틸)-5，6-二수소-[1，2，4]三唑并[4，3-a]피라진-7(8H)-基)-4-(2，4，5-三불소페닐)부틸-3-엔-1-케톤(西格列汀불순물)](/static/images/placeholder.svg)
(E)-1-(3-(三불소메틸)-5，6-二수소-[1，2，4]三唑并[4，3-a]피라진-7(8H)-基)-4-(2，4，5-三불소페닐)부틸-3-엔-1-케톤(西格列汀불순물)
(E)-1-(3-(Trifluoromethyl)-5，6-dihydro-[1，2，4]triazolo[4，3-a]pyrazin-7(8H)-yl)-4-(2，4，5-trifluorophenyl)but-3-en-1-one(SitagliptinImpurity)
(E)-1-(3-(Trifluoromethyl)-5，6-dihydro-[1，2，4]triazolo[4，3-a]pyrazin-7(8H)-yl)-4-(2，4，5-trifluorophenyl)but-3-en-1-one(SitagliptinImpurity) 98%