欧美日韩小视频,人人干日日操,免费欧美一级视频,av三区在线,日韩成人毛片在线,a毛片在线看,狠狠狠色丁香婷婷综合久久88

Product Name: 1-(diphenylmethyl)-piperazin
Structural formula:

Molecular formula: C₁₇H₂₀N₂
Molecular weight: 252.35
Chemical name: N-Diphenylmethylpiperazine，1-(diphenylmethyl)-piperazin
CAS number: 841-77-0
Quality standard:Enterprise Standard