(R)-3-amino-4-(4-methyl-phenyl)-butyric acid-HCl 177839-85-9, Information for (R)-3-amino-4-(4-methyl-phenyl)-butyric acid-HCl 177839-85-9, Suppliers of (R)-3-amino-4-(4-methyl-phenyl)-butyric acid-HCl 177839-85-9