九九热6,亚洲天堂av片,99视频观看,日本成本人片免费观看,99视频在线观看视频,成人天堂av,久久6这里只有精品

[Product name]:

D-ERYTHRONOLACTONE

[Structural Formula]:

[Molecular Formula]:

C₄H₆O₄

[Molecular Weight]:

118.09

[CAS NO]:

15667-21-7

[Packing]:

Properties

Appearance

White crystal powder

Melting range ℃

Quality Specifications

Purity%

≥98.0

Moisture %

  ≤0.5