This command leads to the following submenu
Figura 16.144. The “Components” submenu
Seção 8.14, “Misturador de Canais”
Seção 8.15, “Compor”
Seção 8.16, “ Decompor ”
Seção 8.17, “Recompor”
This command is found in the image window menu under Colors → Components.