Jilin City Yujia Naphthol Chemical Industry Co.,Ltd.??? ?? ??? ?????.

?? ?:Jilin City Yujia Naphthol Chemical Industry Co.,Ltd.

??:0432-3978406 3038868 3036888

???:sales@yujiachem.com

??:China

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3-Hydroxy-2-naphthoic acid	β-???????	92-70-6	C11H8O3
Naphthol AS	??? AS (R)	92-77-3	C17H13NO2
3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide		135-65-9	C17H12N2O4
Naphthol AS-D	??? AS-D	135-61-5	C18H15NO2
Naphthol AS-OL	??? AS-?	135-62-6	C18H15NO3