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4-Aminobutyric Acid
56-12-2
Refine Chemicals Science & Technology Technology Developing Co., Ltd.
LGC Standards GmbH
Orichem International Ltd
ADVANCED TECH. & IND. CO., LTD.
Darsh Chemicals
Wuhan Yuan Cheng Tech
Beijing Ribio Biotech. Inc
Hefei Leaf Biotech Co.,Ltd.
Aceto Corporation
MARINE BIOPROCESS CO LTD