精品一区二区三区东京热,黑人巨大精品欧美一区二区,日韩一区二区三区无码免费视频,无码?v一区二区三区不卡,乱人伦中文无码视频

×

COAMINOS?L-serine

Products Introduction

L-serine

CAS NO.: 56-45-1

Description: White Crystal or crystalline powder

Measurement: 98.5%-101.5%

Packing: 25kg drum or according to customer requirements

Storage: Shading and sealed storage

Application: Downstream derivative raw materials, personal care, health products, special medical foods, etc