去氢紫堇碱标准品Dehydrocorydaline Nitrate Standard? 黄连碱coptisine chloride 产地:日本 grade: for crude drugs determination 贮藏温度:2-10c summary this product is for research use only. do not administer it to human. molecular formula c19h14clno4 molecular weight 355.78 appearance: reddish yellow, crystals - crystalline powder urity: 98.0+% (hplc) 伊普瑞斯科技有限公司 info 010-60206266 / 6773 查看更多