Synonyms: 62,36-(Iminoethaniminoethaniminoethaniminomethano)-18,56-(methanodithiomethano)-1H,66H-pyrrolo[2,1-n1][1,2,45,46,5,8,11,14,17,20,23,26,29,32,35,38,41,50,53,56,59,62,65,68]tetrathiaeicosaazacycloheptacontine,cyclic peptide deriv.; Trypsin inhibitor (Balsam pear seed isoform A)