Silph Co.

Card Key sits in 5F's south hallway, 12 tiles east and 1 south of the 9F warp panel, reached by warping to 9F and straight back.

Protein sits in 5F's northwest room (Card Key needed), 3 tiles west of the room's door.

TM01 (Focus Punch) sits in 5F's southwest room, 2 tiles north and 1 west of the warp panel to 3F.

Elixir is hidden in the southern plant of 5F's small central room (Card Key needed), 3 tiles east, 4 north of the 9F warp panel.

On 5F, a hidden PP Up sits in the first plant heading south from the 6F stairs, 4 tiles south and 1 west of the 7F warp panel.