Synonyms: L-Tyrosine,N-[N-[N-[N-[N-[N-[N-[N-[[1-(2-hydroxy-1-oxopropyl)-2-piperidinyl]carbonyl]-N-methyl-L-valyl]-L-valyl]-N-methyl-L-a-aspartyl]-N-methyl-L-isoleucyl]-N-methyl-L-isoleucyl]glycyl]-N-methyl-L-valyl]-O-methyl-,4-(1,1-dimethylethyl) ester, d1-lactone, [S-(R*,R*)]-;Pyrido[1,2-d][1,4,7,10,13,16,19,22,25,28]oxanonaazacyclotriacontine, cyclicpeptide deriv.; 280-446; SDZ 280-446