preferred_name: arginine 6 MG/ML / histidine 4.29 MG/ML / isoleucine 4.62 MG/ML / leucine 7.26 MG/ML / lysine 5.35 MG/ML / methionine 7.26 MG/ML / phenylalanine 7.26 MG/ML / threonine 3.3 MG/ML / tryptophan 1.65 MG/ML / valine 5.28 MG/ML [Aminosyn-RF 5.2 %, Sulfite-Free]