Under what brand names are these available?

The right imprint is TCL 083 they are Sennosides.

Brand names: Black Draught, Dr Caldwell Laxative, Ex-Lax Chocolated, Fletchers Castoria, Geri-kot, Innerclean, Senokot, SenoSol, SenoSol-X, Senexon, Senolax, Senokot Extra, Gentlax, Ex-Lax Gentle Nature, X-Prep, Senokot Child, Dosaflex, Senna Lax, Senna-gen, Uni-Cenna, Senna Concentrate, Ex-Lax Regular Strength Pills, Ex-Lax Maximum Relief Formula, Sennalax, Perdiem Overnight, SenokotXTRA, Senna Smooth, Senna-Time, Pedia-Lax, Senna Soft, Little Tummys Laxative Drops, Senokot To Go, Senokot Extra Strength, Senokot Laxative Gummies Mixed Berries, Senokot Laxative Gummies Blue Pomegranate

Source; https://www.drugs.com/imprints/tcl-083-16556.html
Drugs.com

Hi, Jim!
"Pill with imprint TCL 083 is Blue, Round and has been identified as Sennosides (sugar coated) 25 mg. It is supplied by Time Cap Laboratories Inc.
Senna is used in the treatment of constipation; bowel preparation and belongs to the drug class laxatives. Risk cannot be ruled out during pregnancy. Senna 25 mg is not a controlled substance under the Controlled Substances Act (CSA)."
You might to ask your pharmacist for more information about other possible name brands.
Best regards,
Wildcat