CAS:40216-83-9 Fuafua mole:C6H12ClNO3 Molecular Weight:181.62 EINECS:609-795-4 upu uiga tutusa:H-HYP-OME HCL; HL-HYP-OME HCL; HYDROXYPROLINE-OME HCL (2S,4R) -trans-4-hydroxy-L-proline methyl ester hydrochloride; 4-hydroxy-2-pyrrolidinecarboxylic acid methyl ester hydrochloride