欧美视频第二页|日本娇小8一13xxⅹ|成人免费不卡视频|三十而立电视剧免费观看在线,亚洲国产真实交换,日本欧美黄色,v888av免费观看

【Molecular formula】:  C₁₄H₁₁NO₅
【CAS NO.】:  134308-13-7

【Molecular weight】：273.241
【Introduction】：Important medical intermediate.
 

【Quality parameters】：

【Storage】：Use as soon as possible at low temperature, avoiding moisture or impurity.
【Packing】：25kg in paperboard drum or according to the users.