me-too drug

https://doi.org/10.1351/goldbook.12681
Term applied to drug analogues that offer no significant advantage over the prototype compound.
Note: Continued use of this term is not recommended.
Source:
PAC, 2013, 85, 1725. (Glossary of terms used in medicinal chemistry. Part II (IUPAC Recommendations 2013)) on page 1741 [Terms] [Paper]