193410-72-9
(3-oxocyclohexen-1-yl) 2-fluorobenzoate
→
193410-85-4
9-hydroxy-2,3,4,4a-tetrahydroxanthen-1-one
393-52-2
邻氟苯甲酰氯
504-02-9
1,3-环己二酮