83344-76-7
spiro[4H-pyrano[4,3-b]chromene-3,1'-cyclohexane]-1,10-dione
→
~43%
83344-78-9
11-hydroxy-7,8,9,10-tetrahydrobenzo[b]xanthen-12-one
670-80-4
1-吗啉基-1-环己烯
+
83344-75-6
2-methylchromone-3-carboxylic acid chloride
~2%
83344-79-0
11 -甲氧基-7,8,9,10 -四氢-12H-苯并[b]氧杂蒽-12-1