(L-Orn(7))-TA 7-L-Ornithine-tyrocidine A 7-Ornithine-tyrocidine A 79774-99-5 Gramicidin S, 4-L-phenylalanine-6-L-asparagine-7-L-glutamine-8-L-tyrosine-, dihydrochloride Orn-TA Tyrocidine A, 10-L-ornithine-, dihydrochloride