Synonyms: Cyclo[(2S,3S)-7,7,8,8-tetradehydro-2-methyl-3-aminooctanoyl-N-methyl-L-valyl-3-methyl-L-2-hydroxybutanoyl-3-methyl-L-2-hydroxybutanoyl-L-valyl-(2S,3S)-7,7,8,8-tetradehydro-2-methyl-3-aminooctanoyl-N-methyl-L-valyl-3-methyl-L-2-hydroxybutanoyl-3-methyl-L-2-hydroxybutanoyl-L-valyl]