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SY131615
CAS：2555-20-6
8-Methoxy-2-oxo-2H-chromene-3-carboxylic acid
SY132170
CAS：41295-51-6
4-(Chloromethyl)-7-methyl-2H-chromen-2-one
SY139744
CAS：2463-45-8
4-(Chloromethyl)-1,3-dioxolan-2-one
SY145700
CAS：13861-97-7
4,4-Dimethyldihydrofuran-2(3H)-one
SY146158
CAS：58917-25-2
(R)-5-Methyldihydrofuran-2(3H)-one
SY202757
CAS：1225206-60-9
6-Bromo-3-hydroxyisobenzofuran-1(3H)-one
SY211637
CAS：4158-86-5
2,2-Dimethyl-1,3-dioxolan-4-one![6-Oxabicyclo[3.2.1]oct-3-en-7-one](/shaoyhuaxue/structure/SY213044.gif)
SY213044
CAS：4720-83-6
6-Oxabicyclo[3.2.1]oct-3-en-7-one
SY222431
CAS：5436-15-7
3,3-Dimethylfuran-2,4(3H,5H)-dione
SY224446
CAS：107146-27-0
4-Aminotetrahydropyran-2-one
SY224725
CAS：2183577-00-4
7-(2-Aminoethoxy)-2H-chromen-2-one Hydrochloride![5-Methoxy-3a,4-dihydronaphtho[2,3-b]furan-2(3H)-one](/shaoyhuaxue/structure/SY224927.gif)
SY224927
CAS：101691-57-0
5-Methoxy-3a,4-dihydronaphtho[2,3-b]furan-2(3H)-one
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