. . . "Tested Compounds: Helptop of pageCID 71070 CID 11842990 CID 6322 Description:Helptop of pageTitle: Galactosyl derivatives of L-arginine and D-arginine: synthesis, stability, cell permeation, and nitric oxide production in pituitary GH3 cells.Abstract: Nitric oxide (NO) is critical for the normal physiological regulation of the nervous system and other tissues." .