420-33-7
carbamic acid fluoride
515-85-5
perfluoro(2-methyl-1,2-oxazetidine)
432-00-8
9-fluoro-11β,17,21-trihydroxy-2α-methyl-pregn-4-ene-3,20-dione
359-75-1
O-nitrosobis(trifluoromethyl)hydroxylamine
372-63-4
二(三氟甲基)二氮烯

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