generated: '2026-07-11' method: derived source: openapi/rsc-chemspider-compounds-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: apiKeyAuth type: apiKey in: header parameter: apikey description: API key obtained from the RSC Developer Portal at developer.rsc.org. Register and create an application to receive an API key. sources: - openapi/rsc-chemspider-compounds-openapi.yml