Chemical name of IGF-L3

I know IGF is the trivial name
but what would be the chemical name of this substance

like for instance
3,5-diiodo-L-thyronine for T2
4chloro1dehydro17alphamethyltest for Turinabol

Might come off as a stupid question but I'm willing to take that chance ;)

Greets

Kingofmasters

Long R3 Insulin-like Growth Factor-I
it's an 83 amino acid analog of human IGF-I.