L-Threonine,N-[(phenylmethoxy)carbonyl]-O-(phenylmethyl)- (CAS NO.69863-36-1) is also called N-Cbz-O-Benzyl-L-threonine ; N-[(Benzyloxy)carbonyl]-O-benzyl-L-threonine; Z-Thr(Bzl)-OH ; Z-O-benzyl-L-threonine ; Z-Thr(Bzl)-OH .