64-17-5
乙醇
+
51762-56-2
9-oxothioxanthene-4-carboxylic acid
→
~90%
101278-23-3
9H-硫代占吨-4-羧酸, 9-羰基-, 乙基酯
147-93-3
硫代水杨酸
118-91-2
2-氯苯甲酸
22219-02-9
2-(2-carboxyphenyl)sulfanylbenzoic acid
100540-38-3
4-thioxanthonecarbonyl chloride