九九热视频免费在线观看,国精品一区,亚洲国产精品久久久久久69,国产精品久久久久久无毒偷食禁果,亚洲国产精品午夜久久久,粉嫩av一区二区三区在线看,热re99久久精品国99热观看

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