Here are some prominent journals and publications that focus on the medicinal aspects of Chemistry, which can be useful for the UPSC optional subject:

1. Journal of Medicinal Chemistry (JMC):
- JMC is one of the most prestigious journals in the field of medicinal chemistry.
- It covers various aspects of drug discovery and development, including design, synthesis, and biological evaluation.
- JMC publishes original research articles, reviews, and perspectives on medicinal chemistry.

2. Bioorganic & Medicinal Chemistry (BMC):
- BMC is an interdisciplinary journal that focuses on the interface between chemistry and biology in drug discovery.
- It covers topics such as medicinal chemistry, bioorganic chemistry, chemical biology, and drug design.
- BMC publishes research articles, reviews, and short communications in the field.

3. Journal of Chemical Information and Modeling (JCIM):
- JCIM is a leading journal that focuses on the application of computational methods in drug discovery and medicinal chemistry.
- It covers topics such as molecular modeling, virtual screening, cheminformatics, and structure-activity relationships.
- JCIM publishes research articles, reviews, and perspectives in the field.

4. European Journal of Medicinal Chemistry (EJMC):
- EJMC is a renowned journal that publishes original research articles, reviews, and perspectives in medicinal chemistry.
- It covers various aspects of drug discovery and development, including synthesis, biological evaluation, and structure-activity relationships.
- EJMC also publishes special issues on specific topics of interest in medicinal chemistry.

5. Journal of Medicinal Chemistry Research (JMCR):
- JMCR is an open-access journal that focuses on the latest research in medicinal chemistry.
- It covers topics such as drug design, synthesis, biological evaluation, and structure-activity relationships.
- JMCR publishes research articles, reviews, and perspectives in the field.

6. Chemical Reviews:
- Chemical Reviews is a highly regarded journal that covers all areas of chemistry, including medicinal chemistry.
- It publishes comprehensive review articles on various topics, including drug discovery, synthetic methods, and molecular mechanisms.
- Chemical Reviews provides in-depth analysis and critical evaluations of the latest developments in medicinal chemistry.

These journals and publications provide valuable insights into the latest research and advancements in medicinal chemistry. Aspirants can refer to these resources to stay updated with the current trends and developments in the field, which can be helpful for the UPSC optional subject.