天堂aⅴ无码av专线av,精品亚洲成A人在线观看青青,老鸭窝AV在线永久免费观看,H动漫全彩纯肉无码无遮挡软件


Product Center

2-methyl-5-vinylpyridine

Product Type  Pyridine derivatives
Cas No.  140-76-1
Structural formula
Detail

CAS No.: 140-76-1

Usage: Used as a monomer for resins, or an oil additive, ore flotation agent, dye acceptor

Appearance: Clear to faintly opalescent liquid