Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 41748 Brick Wedged, Curved 6 x 2 Left, Inner Ridges this part is a print of it
• 41747pr0005 Brick Wedged, Curved 6 x 2 Right with Blue Water Splash Print this part is a pair of it