1 BLO 1-(4-{[(3r)-3-amino-5-{[(z)-amino(imino)methyl](methyl)amino}pentanoyl]amino}-2,3,4-trideoxy-D-erythro-hex-2-enopyranuronosyl)-4-hydroxypyrimidin-2(1h)-one 1.000 2 BST 6-(4-amino-4-hydroxy-2-oxo-3,4-dihydro-2h-pyrimidin-1-yl)-3-[3-amino-5-(N-methyl-guanidino)-pent anoylamino]-3,6-dihydro-2h-pyran-2-carboxylic acid 0.968 3 BLS Blasticidin S 0.935