67884-63-3
1,1-difluoro-2-methylidenecyclopropane
76178-55-7
ethyl 6,7-difluoro-3,4-dihydro-3-oxo-2-quinoxaline carboxylate
1960-67-4
tetrafluorothiirane
1840-62-6
2-chloro-2,3,3-trifluorothiirane
51326-64-8

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