"uroerythrin" . "Uroerythrin" . . . . "1,14,15,17-tetrahydro-2,7,13-trimethyl-1,14-dioxo-3-vinyl-16H-tripyrrin-8,12-dipropionic acid" . . "Biotripyrrin-a" . . . . . . . "Uroerythrin" . . . .