欧美和黑人XXXX猛交视频,小泽玛丽无码视频一区,GOGOGO高清在线观看,欧美,日韩,在线视频

Code: HT083

Product Name: 1-aminopyridinium iodide

Cas No.: 6295-87-0

Structural formula:

Molecular formula: C₅H₇IN₂
Molecular weight: 222.03
Purity: 95%
Melting point: 159-161 °C(lit.)
Storage conditions: 2-8°C
Character: Brown solid