久久精品国产亚洲7777,搡老女人老熟妇hhd,黑人巨茎大战白人美女,免费少妇荡乳情欲视频

Product name: 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepine dihydrochloride (DBTP)
Structural formula:

Molecular formula: C₁₇H₁₇N₃S·2HCl
Molecular weight: 368.32
Chemical name: 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepine dihydrochloride
CAS Number: 111974-74-4
Quality standard:Enterprise Standard