天堂av社区|国产精品高潮呻吟视频|国产精品 久久久精品|久草在线费播放视频,久久国产精品久久久久久,伊人一二区,国产干美女

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