免费在线播放毛片,欧美色综合,欧美黄色xxxx,国产毛片高清,免费毛片a线观看,性视频一级,在线观看毛片视频

Chemical Name：1-Aminohydantoin Hydrochloride
Molecular formula：C₃H₆ClN₃O₂
Molecular weight：151.55
CAS：2827-56-7
Structural formula：

Specification：In-house
Appearance：Off-white or light yellow crystalline powder
Melting point：≥195℃
Loss on drying：≤2.0%
Residue on ignition：≤0.5%
Assay：98.0%～102.0%
 
Packing size：25Kg/drum
Indications：It is a medical intermediate.