女人3p|色戒影完整版|久久夜色精品国产|美女一区二区三区在线观看,我的瑜伽老师在线观看完整版,电视剧大决战在线观看央视网,99av在线

Weinan Huifeng New Material Technology Co., Ltd.

2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine

2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine

Alias: 1,5-Dihydropyrimido(5,4-d)pyrimidine-2,4,6,8(3H,7H)tetrone; 2,4,6,8-Tetrahydroxy-pyrimido[5,4-d]pyrimidine
Properties: purity ≥60% light green powder
To use: medical intermediate  
Packaging: 25fiber can lined with plastic bag


【Return】