103412-42-6 111317-75-0 Aaphg-tfa Arg-arg-pro-hyp-gly-thi-ser-phe-thi-arg trifluoroacetic acid B 3824 B 5630 B-3824 B-5630 B5630 D-Arg-arg-pro-hyp-gly-thi-ser-D-phe-thi-arg trifluoroacetic acid L-Arginine, N2-(N-(N-(N-(N-(N-(1-(1-(N2-D-arginyl-L-arginyl)-L-prolyl)-trans-4-hydroxy-L-prolyl)glycyl)-3-(2-thienyl)-L-alanyl)-L-seryl)-D-phenylalanyl)-3-(2-thienyl)-L-alanyl)-, mono(trifluoroacetate) (salt)