国产小视频你懂的,中文色,狙击23集电视剧全集在线观看,在线色网址,草久久久,速度与激情5电影在线观看完整版,66av视频

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】