127060-75-7 CGP 42112A Cgp 42112 Cgp 42112B Cgp-42112A L-Isoleucine, N-(1-(N-(N6-(N2-((phenylmethoxy)carbonyl)-L-arginyl)-N2-(N-(3-pyridinylcarbonyl)-L-tyrosyl)-L-lysyl)-L-histidyl)-L-prolyl)- Nicotinic acid-tyr-(N(sigma)-benzyloxycarbonyl-arg)lys-his-pro-ile-OH Nicotinic acid-tyrosyl-(N(sigma)-benzyloxycarbonyl-arginyl)lysyl-histidyl-prolyl-isoleucine-OH