N/a manufacturer / supplier in China, offering Chemical Raw Material D-2-Amino-3- (3-INDOLYL) Propionic Acid; D-Trp; D (+) -Tryptophan; D-Tryptophan CAS 153-94-6, High Quality Organic Chemical Material R) - (-) -2-Aminobutyric Acid; (R) - (-) -2-Amino-N-Butyric Acid; R-Aminobutyric Acid; D-2-Aminobutyric Acid CAS, Chemical Raw Material L-Abu; L-Alpha-Amino-N-Butyric Acid; L-2-Amino-N-Butyric Acid; L (+) -2-Aminobutyric Acid CAS 1492-24-6 and so on.