89140-93-2
11-hydroxy-3-methoxy-1-methylbenzo[b]xanthen-12-one
→
~31%
89140-94-3
6,11-dihydroxy-3-methoxy-1-methylbenzo[b]xanthen-12-one
716-43-8
2-(2-甲氧基-2-氧代乙基)苯羧酸甲酯