国产乱精品一区二区三区_亚洲熟女蜜臀Av一区二区三区少妇_福利姬精品一区二区三区_在线观看成人无码一区二区三区

Molecular formula: C₁₄H₇ClO₂ 
Molecular weight: 242.66
Structural formula:

CAS: 82-44-0

Appearance: yellow needle-like crystal or crystalline powder

Melting point: sublimation, 157-162℃

Purity: ≥98% HPLC

Moisture: ≤1%