; (4S)-4-acetamido-5-[[(2S)-1-[[(2S)-1-[[(2S)-5-amino-1-[[(2S)-1-[[(2S)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-5-oxopentanoic acid (CAS No. 616204–22–9); L-tyrosyl-D-alanylglycyl-L-phenylalanyl-L-leucine (CAS No. 64963–01–5); 2-hydroxypropane-1,2,3-tricarboxylic acid hydrate (CAS No. 5949–29–1)