diff --git a/converter-sbml/src/main/java/lcsb/mapviewer/converter/model/sbml/species/SbmlSpeciesExporter.java b/converter-sbml/src/main/java/lcsb/mapviewer/converter/model/sbml/species/SbmlSpeciesExporter.java
index 3af4e8ff053896a6f14ec4119d4956ee2d0a210b..5eeb0009a8db4fe800d06f8a23b223ab42c5e600 100644
--- a/converter-sbml/src/main/java/lcsb/mapviewer/converter/model/sbml/species/SbmlSpeciesExporter.java
+++ b/converter-sbml/src/main/java/lcsb/mapviewer/converter/model/sbml/species/SbmlSpeciesExporter.java
@@ -429,6 +429,8 @@ public class SbmlSpeciesExporter extends SbmlElementExporter<Species, org.sbml.j
         multiDistinguisher += "\n" + StringUtils.join(complexChildIds, "\n");
       }
       multiDistinguisher += "\n" + element.getActivity();
+      multiDistinguisher += "\n" + element.getCharge();
+      multiDistinguisher += "\n" + element.getHomodimer();
     }
     String result = element.getClass().getSimpleName() + "\n" + annotationNames+"\n"+element.getName() + "\n" + compartmentName + "\n"
         + complexName
diff --git a/converter-sbml/testFiles/cd_for_multi/species_with_different_dimer.xml b/converter-sbml/testFiles/cd_for_multi/species_with_different_dimer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b6009c96bdc6eeb967d6f842339c6411b375258a
--- /dev/null
+++ b/converter-sbml/testFiles/cd_for_multi/species_with_different_dimer.xml
@@ -0,0 +1,118 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sbml xmlns="http://www.sbml.org/sbml/level2/version4" xmlns:celldesigner="http://www.sbml.org/2001/ns/celldesigner" level="2" version="4">
+<model metaid="untitled" id="untitled">
+<annotation>
+<celldesigner:extension>
+<celldesigner:modelVersion>4.0</celldesigner:modelVersion>
+<celldesigner:modelDisplay sizeX="600" sizeY="400"/>
+<celldesigner:listOfCompartmentAliases/>
+<celldesigner:listOfComplexSpeciesAliases/>
+<celldesigner:listOfSpeciesAliases>
+<celldesigner:speciesAlias id="sa1" species="s2">
+<celldesigner:activity>inactive</celldesigner:activity>
+<celldesigner:bounds x="127.0" y="100.0" w="80.0" h="40.0"/>
+<celldesigner:font size="12"/>
+<celldesigner:view state="usual"/>
+<celldesigner:usualView>
+<celldesigner:boxSize width="80.0" height="40.0"/>
+<celldesigner:singleLine width="1.0"/>
+<celldesigner:paint color="ffccffcc" scheme="Color"/>
+</celldesigner:usualView>
+<celldesigner:briefView>
+<celldesigner:innerPosition x="0.0" y="0.0"/>
+<celldesigner:boxSize width="80.0" height="60.0"/>
+<celldesigner:singleLine width="0.0"/>
+<celldesigner:paint color="3fff0000" scheme="Color"/>
+</celldesigner:briefView>
+<celldesigner:info state="empty" angle="-1.5707963267948966"/>
+</celldesigner:speciesAlias>
+<celldesigner:speciesAlias id="sa2" species="s1">
+<celldesigner:activity>inactive</celldesigner:activity>
+<celldesigner:bounds x="233.0" y="101.0" w="86.0" h="46.0"/>
+<celldesigner:font size="12"/>
+<celldesigner:view state="usual"/>
+<celldesigner:usualView>
+<celldesigner:innerPosition x="0.0" y="0.0"/>
+<celldesigner:boxSize width="86.0" height="46.0"/>
+<celldesigner:singleLine width="1.0"/>
+<celldesigner:paint color="ffccffcc" scheme="Color"/>
+</celldesigner:usualView>
+<celldesigner:briefView>
+<celldesigner:innerPosition x="0.0" y="0.0"/>
+<celldesigner:boxSize width="80.0" height="60.0"/>
+<celldesigner:singleLine width="0.0"/>
+<celldesigner:paint color="3fff0000" scheme="Color"/>
+</celldesigner:briefView>
+<celldesigner:info state="empty" angle="-1.5707963267948966"/>
+</celldesigner:speciesAlias>
+</celldesigner:listOfSpeciesAliases>
+<celldesigner:listOfGroups/>
+<celldesigner:listOfProteins>
+<celldesigner:protein id="pr1" name="s1" type="GENERIC"/>
+</celldesigner:listOfProteins>
+<celldesigner:listOfGenes/>
+<celldesigner:listOfRNAs/>
+<celldesigner:listOfAntisenseRNAs/>
+<celldesigner:listOfLayers/>
+<celldesigner:listOfBlockDiagrams/>
+</celldesigner:extension>
+</annotation>
+<listOfUnitDefinitions>
+<unitDefinition metaid="substance" id="substance" name="substance">
+<listOfUnits>
+<unit metaid="CDMT00001" kind="mole"/>
+</listOfUnits>
+</unitDefinition>
+<unitDefinition metaid="volume" id="volume" name="volume">
+<listOfUnits>
+<unit metaid="CDMT00002" kind="litre"/>
+</listOfUnits>
+</unitDefinition>
+<unitDefinition metaid="area" id="area" name="area">
+<listOfUnits>
+<unit metaid="CDMT00003" kind="metre" exponent="2"/>
+</listOfUnits>
+</unitDefinition>
+<unitDefinition metaid="length" id="length" name="length">
+<listOfUnits>
+<unit metaid="CDMT00004" kind="metre"/>
+</listOfUnits>
+</unitDefinition>
+<unitDefinition metaid="time" id="time" name="time">
+<listOfUnits>
+<unit metaid="CDMT00005" kind="second"/>
+</listOfUnits>
+</unitDefinition>
+</listOfUnitDefinitions>
+<listOfCompartments>
+<compartment metaid="default" id="default" size="1" units="volume"/>
+</listOfCompartments>
+<listOfSpecies>
+<species metaid="s1" id="s1" name="s1" compartment="default" initialAmount="0">
+<annotation>
+<celldesigner:extension>
+<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
+<celldesigner:speciesIdentity>
+<celldesigner:class>PROTEIN</celldesigner:class>
+<celldesigner:proteinReference>pr1</celldesigner:proteinReference>
+<celldesigner:state>
+<celldesigner:homodimer>2</celldesigner:homodimer>
+</celldesigner:state>
+</celldesigner:speciesIdentity>
+</celldesigner:extension>
+</annotation>
+</species>
+<species metaid="s2" id="s2" name="s1" compartment="default" initialAmount="0">
+<annotation>
+<celldesigner:extension>
+<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
+<celldesigner:speciesIdentity>
+<celldesigner:class>PROTEIN</celldesigner:class>
+<celldesigner:proteinReference>pr1</celldesigner:proteinReference>
+</celldesigner:speciesIdentity>
+</celldesigner:extension>
+</annotation>
+</species>
+</listOfSpecies>
+</model>
+</sbml>