             ↓                  ↑                                    Valine, leucine and isoleucine biosynthesis   0    00.00                  000.0000   000.0000     C00000, HMDB00000   LPC(00:0)             ↑                                     ↓                 Phospholipids metabolism   0    00.00                  000.0000   000.0000     HMDB00000           LPC(00:0)             ↑                                     ↓                 Phospholipids metabolism   00   00.00                  000.0000   000.0000     HMDB00000           