Hello!
I'm Anaelle, working for Servier pharmaceutical company in Cheminformatics in Paris. I use Neo4j especially to navigate into molecular scaffolds and substructures to deal with similarity / diversity, pairs analysis, biological profiling,...
My supervisor has developped a d3.js application to easily have a look to structures as following:
FYI, there is a Paris group on the site : https://community.neo4j.com/c/local-groups/paris
Don't hesitate to look at it to see the next Neo4j's events (for example there is the Paris Graph tour in November).