Z D Ala Phe OH Z Val Phe OH 19542 51 9 Z Val Val OH 19542 54 2 Z Val Trp OH 18904 53 5 Z Leu Met OH 18830 16 5 Z Val Ala DL Asp fluoromethylketone 187389 52 2 Z Ala Leu NH2 18323 56 3 Z Phe Asp OH 178403 40 2 Z Gly His NHNH2 17682 11 0 Z Val Leu OH 17708 79 1 Z Pro Met OH 17730 18 6 Z Ala Tyr OMe 17554 28 8 Z 4 Fluoro Phe OH 17543 58 7 Z D Phe Pro OH 17460 56 9 Z Val Trp OMe 17430 65 8 Z Trp Gly OH 17388 70 4 Z Trp Ala OH 17388 71 5 Z Pro Phe OH 17350 17 3 Z Gly Ala NH2 17331 79 2 Z Tyr Leu NH2 17331 91 8 Z Leu Tyr NH2 17263 42 2 Z Gly Tyr NH2 17263 44 4 Z Phe Gly NH2 17187 05 2 Z Lys Leu OH 169765 38 2 Z Pro Pro aldehyde dimethyl acetal 170116 63 9 Z Tyr tBu OH DCHA 16879 90 6 Z Tyr OtBu·H2O 16881 33 7 Z Phe Trp OH 16856 28 3 Z D Val OH 1685 33 2 Z Ser OMe 1676 81 9

Z Leu Arg Gly Gly AMC 167698 68 2 Z Ser tBu OH 1676 75 1 Z Phe Tyr aldehyde 167498 29 5 Z Tyr Bzl OH 16677 29 5 Z Thr Obzl 16597 50 5 Z Pro Leu OH 1634 90 8 Z Glu Gly OH 1634 89 5 Z Gly Leu Gly OH 16295 38 8 Z Ile Leu aldehyde 161710 10 7 Z D Phe Phe Arg NO2 OH 16088 35 0 Z Ala Ala OH 16012 70 7 Z Ile Glu OtBu Ala Leu aldehyde 158442 41 2 Z His p nitro Phe Phe OMe 15574 28 4 Z Leu Arg AMC 156192 32 4 Z D Phe Val OH 15099 82 8 Z Aib OH 15030 72 5 z D Nle OH 15027 14 2 Z His OH 14997 58 1 Z Ala Ala Asn AMC Z AAN AMC 149697 16 5 Z Ser Tos OMe 1492 52 0 Z Hyp tBu OMe 146951 99 7 Z Arg Z 2 OH 14611 34 8 Z β Ala Val OH 14550 79 9 Z Pro Leu Gly NH2 14485 80 4 Z D Val Lys Z OH 1436 71 1 Z 3 2 Naphthy D Alanine 143218 10 4 Z Gly Leu OH 1421 69 8 Z Pro Ala OH 14030 00 3 Z Gly Gly Gly OSu Z Gly Gly ONp 13574 81 7

Z Tyr OMe 13512 31 7 Z Hyp OH 13504 85 3 Z Phe Phe aldehyde semicarbazone 133657 68 8 Z Gly Gly Leu OH 13347 77 8 Z Gln Trt OH 132388 60 4 Z Ile Gly OH 13254 04 1 Z Ile Phe OH 13254 07 4 Z Ile Pro OH 13211 37 5 Z Gly Gly Phe OH 13171 93 2 Z Leu Phe NH2 13171 96 5 Z Phe Met OH 13126 07 3 Z Met Gly OH 13139 55 4 Z D Gln OH 13139 52 1 Z Ala Tyr OH 13122 97 9 Z Phe Gly OH 13122 99 1 Z Phe Ile OH 13123 01 8 Z Phe Phe OH 13122 91 3 Z Gly Pro Gly Gly Pro Ala OH 13075 38 2 Z His Ala OH 13056 38 7 Z His Tyr Tyr OEt 13053 63 9 Z His Phe OH 13053 69 5 Z His Gly OH 13056 37 6 Z His Phe Phe OEt 13053 61 7 Z Pro D Leu D Ala NHOH 123984 15 6 Z Pro Leu Ala NHOH 123984 00 9 Z ARG OH 1234 35 1 Z Ala Trp OH 119645 65 7 Z Leu Val Gly diazomethylketone 119670 30 3 Z Gly Phe OH 1170 76 9 Z Gly Pro OH 1160 54 9

Z Phe OH 1161 13 3 Z Tyr OH 1164 16 5 Z Asp OH 1152 61 0 Z Met OH 1152 62 1 Z Glu OH 1155 62 0 Z Val OH 1149 26 4 Z Pro OH 1148 11 4 Z Ser OH 1145 80 8 Z Ala OH 1142 20 7 Z Gly OH 1138 80 3 Z Phe Arg OMe · HCl 113715 88 1 Z Ala Pro Tyr OH 112898 29 0 Z Sar Pro Arg OH 112898 31 4 Z D Arg Gly Arg pNA · 2 HCl 113711 77 6 Z D Arg OH·HCl Z Val Met OH 108543 82 4 Z Ala Pro Leu OH 108074 19 7 Z Lys Z Ser OH 106326 29 8 Z His Val OH 106172 66 1 Z Phe Leu Glu pNA Z Tyr Tyr OH Z Pro Leu Gly NHOH Z Gly Gly Arg AMC · HCl Z Gly Phe Gly aldehyde semicarbazone Z Glu Tyr OEt Z His Phe Trp OEt Z Ala Glu OH Zeaxanthin Zinc citrate ZDYG 2089S Laboratory Turbidity Meter