Synonym: (R)-2-Pyrrolidone-5-carboxylic acid, (R)-5-Oxo-2-pyrrolidinecarboxylic acid CAS Number: 4042-36-8 Linear Formula: C5H7NO3 Molecular Weight: 129.11 Beilstein Registry Number: 82133 EC Number: 223-735-0

Synonym: D-2-Aminoglutaramic acid, D-Glutamic acid 5-amide CAS Number: 5959-95-5 Linear Formula: C5H10N2O3 Molecular Weight: 146.14 Beilstein Registry Number: 1723796

Synonym: (R)-2-Aminosuccinamic acid, (R)-2-Aminosuccinic acid 4-amide, D-Aspartic acid 4-amide CAS Number: 2058-58-4 Linear Formula: H2NCOCH2CH(NH2)CO2H Molecular Weight: 132.12 Beilstein Registry Number: 1723526 EC Number: 218-163-3

BR，99%

Synonym: Ethyl 3-aminopropionate hydrochloride CAS Number: 4244-84-2 Linear Formula: NH2CH2CH2COOCH2CH3 · HCl Molecular Weight: 153.61 Beilstein Registry Number: 3559095 EC Number: 224-203-0

Synonym: (2R, 3R)-2-Amino-3-methylpentanoic acid CAS Number: 319-78-8 Linear Formula: C2H5CH(CH3)CH(NH2)CO2H Molecular Weight: 131.17 EC Number: 206-269-2

Synonym: N-Cbz-L-Valine, Z-L-Valine, Z-Val-OH CAS Number: 1149-26-4 Linear Formula: (CH3)2CHCH(NHCOOCH2C6H5)COOH Molecular Weight: 251.28 Beilstein Registry Number: 2056617 EC Number: 214-562-1

Synonym: HATU, N,N,N′,N′-Tetramethyl-O-(7-azabenzotriazol-1-yl)uronium hexafluorophosphate CAS Number: 148893-10-1 Linear Formula: C10H15F6N6OP Molecular Weight: 380.23