372-75-8 CITRULLINE (L) InChI=1/C6H13N3O3/c7-4(5(10)11)2-1-3-9-6(8)12/h4H,1-3,7H2,(H,10,11)(H3,8,9,12 N~5~-(aminocarbonyl)ornithine ornithine, N~5~-(aminocarbonyl)-