Ethyl (2R,4R)-1-[(2S)-5-[[imino(nitroamino)methyl]amino]-2-[[(3-methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylate74874-09-2100 % similar Argatroban74863-84-641 % similar 21R-Argatroban121785-71-535 % similar N5-[Imino(nitroamino)methyl]-N2-[(phenylmethoxy)carbonyl]-L-ornithine2304-98-533 % similar