五级黄高潮片90分钟视频,精品国精品国产自在久国产应用,免费看成人AA片无码视频吃奶 ,亚洲国产成人久久精品大牛影视

Product Introduction

Product name 3-Nitrophthalhydrazide
Classification Nitrates and their derivatives
Molecular formula C8H7N3O5
Molecular weight 225.16
CAS No. 3682-15-3
Structural formula 3-Nitrophthalhydrazide
Appearance Yellow crystalline powder
Content ≥98.0%
Package 25kg/3-in-1 paper-plastic composite bag, or woven bag, or 25kg/cardboard barrels(φ?mm),or packaging according to customer requirements


ONLINE INQUIRY

*
*
*
Home

Home

News

News

About us

About us

Product

Product

Contact us

Contact us