diff --git a/bayer/views.py b/bayer/views.py
index 7a88d109..b3eb3b64 100644
--- a/bayer/views.py
+++ b/bayer/views.py
@@ -118,6 +118,9 @@ def fetch_pes(request, pes_url) -> dict:
     from epauth.views import get_access_token_from_request
     token = get_access_token_from_request(request)
 
+    if token is None:
+        token = pes_url.split('/')[-1] == 'dummy'
+
     if token:
         for k, v in s.PES_API_MAPPING.items():
             if pes_url.startswith(k):
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index ae477081..ba605cb7 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -28,17 +28,6 @@ services:
     image: git.envipath.com/envipath/biotransformer3:1.0
     container_name: epbiotransformer3
 
-#  web:
-#    image: envipath/envipy-bayer:1.0
-#    container_name: epdjango
-#    ports:
-#      - "127.0.0.1:8000:8000"
-#    env_file:
-#      - .env
-#    command: gunicorn envipath.wsgi:application --bind 0.0.0.0:8000 --workers 3
-#    volumes:
-#      - ep_bayer_data:/opt/enviPy/
-
   celery_worker:
     image: git.envipath.com/envipath/envipy-bayer:1.0
     container_name: epcelery
diff --git a/epdb/models.py b/epdb/models.py
index f4ccbc07..305be1df 100644
--- a/epdb/models.py
+++ b/epdb/models.py
@@ -576,6 +576,10 @@ class ReactionIdentifierMixin(ExternalIdentifierMixin):
     def get_uniprot_identifiers(self):
         return self.get_external_identifier("UniProt")
 
+    def contains_pes(self):
+        from bayer.models import PESStructure
+        return any([isinstance(o, PESStructure) for o in self.educts.all()]) or any(
+            [isinstance(o, PESStructure) for o in self.products.all()])
 
 ##############
 # EP Objects #
diff --git a/templates/objects/edge.html b/templates/objects/edge.html
index f9d93d04..956a468a 100644
--- a/templates/objects/edge.html
+++ b/templates/objects/edge.html
@@ -82,6 +82,9 @@
       <div class="collapse-content">
         <div class="flex justify-center">{{ edge.edge_label.as_svg|safe }}</div>
       </div>
+      {% if edge.edge_label.contains_pes %}
+        <span class='alert alert-info alert-soft'>The reaction contains a partially elucidated structure!</br>For visualization the representative structure is used. The pathway itself will show the actual partially elucidated structure.</span>
+      {% endif %}
     </div>
 
     <!-- Reaction Description -->
@@ -92,7 +95,7 @@
         <div class="flex flex-wrap items-center justify-center gap-4">
           {% for educt in edge.start_nodes.all %}
             <a href="{{ educt.url }}" class="btn btn-outline btn-sm"
-              >{{ educt.name }}</a
+              >{{ educt.get_name }}</a
             >
           {% endfor %}
           <svg
@@ -112,7 +115,7 @@
           </svg>
           {% for product in edge.end_nodes.all %}
             <a href="{{ product.url }}" class="btn btn-outline btn-sm"
-              >{{ product.name }}</a
+              >{{ product.get_name }}</a
             >
           {% endfor %}
         </div>
diff --git a/templates/objects/reaction.html b/templates/objects/reaction.html
index 7a92b461..1ed43b16 100644
--- a/templates/objects/reaction.html
+++ b/templates/objects/reaction.html
@@ -79,6 +79,9 @@
       <div class="collapse-content">
         <div class="flex justify-center">{{ reaction.as_svg|safe }}</div>
       </div>
+      {% if reaction.contains_pes %}
+        <span class='alert alert-info alert-soft'>The reaction contains a partially elucidated structure!</br>For visualization the representative structure is used. The pathway itself will show the actual partially elucidated structure.</span>
+      {% endif %}
     </div>
 
     <!-- Reaction Description -->
diff --git a/uv.lock b/uv.lock
index 32b161e0..06bcf2a8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -894,7 +894,7 @@ provides-extras = ["ms-login", "dev", "pepper-plugin"]
 [[package]]
 name = "envipy-additional-information"
 version = "0.4.2"
-source = { git = "ssh://git@git.envipath.com/enviPath/enviPy-additional-information.git?branch=develop#f2f251e0214f016760348730c45e56183d961201" }
+source = { git = "ssh://git@git.envipath.com/enviPath/enviPy-additional-information.git?branch=develop#ad825570480bbe2f1a35c04923fede756c450751" }
 dependencies = [
     { name = "pydantic" },
 ]