69409-07-0
1,3-dioxo-1H,3H-naphtho[1,8-cd]pyran-5-sulfonic acid
→
~78%
23204-36-6
3-羟基-1,8-萘二甲酸酐
174530-06-4
4053-08-1
4-氯-1,8-萘二甲酸酐
81-84-5
萘酐