在线播放免费人成毛片软件,777米奇色狠狠888俺也去,www。三级片。com,老妇性hqmaturetube

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