国产欧美日韩在线视频,纸牌屋第一季在线观看高清完整版,春光乍泄电影未删减完整版免费观看,av福利在线免费观看,一区二区不卡高清,国产又粗又硬又大爽,91挑色欧美

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】