110-86-1
吡啶
+
99-96-7
乙酰水杨酸杂质A
→
~32%
22744-42-9
4-hydroxy-N-(4-hydroxyphenyl)benzamide
123-30-8
4-氨基苯酚
2078-13-9
4-[(三甲基甲硅烷基)氧基]-苯甲酸三甲基硅酯
611-99-4
4,4'-二羟基二苯甲酮
89932-90-1
4-[(hydroxyamino)-(4-hydroxyphenyl)methylidene]cyclohexa-2,5-dien-1-one