Real HGH/Somatropin/191 Amino Acid Sequence HGH

1. Genentech
A. Nutropin
B. Genotropin
2. Eli Lilly
A. Humatrope
3. Novo Nordisk
A. Norditropin
4. Serono
A. Saizen
B. Serostim
C. Zorbtive
5. NeoGenica
A. Hypertropin
6. GeneScience
A. Jintropin

Questionable:Somatrem/192 Amino Acid Sequence HGH/Met-HGH

1. TEVA Pharmaceuticals
A.Tev-Tropin
2. AnkeBio
A. Ansomone
3. Kexing
A. Fitropin

What is the difference btw 191 and 192?