30087-35-5
→
30087-31-1
2-(9-oxoxanthen-2-yl)acetic acid
54160-09-7
6280-45-1
2-methylxanthen-9-one
30087-40-2
p-(o-Carboxyphenoxy)-phenyl-essigsaeure
156-38-7
对羟基苯乙酸
88-67-5
邻碘苯甲酸
N/A