56396-41-9 BRN 2908880 L-Ornithine, N(sup 2)-(4-chlorobenzoyl)-N(sup 5)-(4-hydroxybenzoyl)- N(sup 2)-(4-Chlorobenzoyl)-N(sup 5)-(4-hydroxybenzoyl)-L-ornithine N(sup 2)-(p-Chlorobenzoyl)-N(sup 5)-(p-hydroxybenzoyl)ornithine