一本大道久久东京热无码av,国产精品成人国产乱,乖灬舒服灬别拔出来灬视频,变态另类视频一区二区三区

Chemspon Bio-Tech Co.,Ltd. Chemspon Bio-Tech Co.,Ltd.

Please Input product name or CAS No.

Intermediates

2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one

Product Name:2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one

CAS :1218-69-5

Molecular Formula:C14H9NO3

Molecular Weight:239.23

Molecular Structure:2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one  1218-69-5

[ Back ]
Copyright(C)2014, Chemspon Bio-Tech Co., Ltd. All Rights Reserved.