They are not interchangeable tools
AOD-9604 stands for "Anti-Obesity Drug-9604." It is a synthetic peptide fragment taken from the C-terminal end of human growth hormone (hGH) specifically, the stretch of amino acids at positions 176 through 191
L-NAME initially caused all vessels to disappear more rapidly and L-arginine increased the number of vessels (L-NAME R, L-arginine R, opposite ), but both induced larger pale areas (L-NAME R, L-arginine R, parallel ), all as NO-specific (NO-related) effects, as L-NAME and L-arginine regularly attenuated or antagonized each others responses (L-NAME R, L-arginine R, opposite , specific
However, they can be inconvenient for long-term use
Several hold FDA approval for specific indications