saturated organic heteromonocyclic parent azacycloalkane azocanes azocane C7H15N azocane CHEBI:38792 CAS:1121-92-2 113.20074 perhydroazocine heptamethylenimine C1CCCNCCC1 0 Gmelin:130714 octahydroazocine heptamethyleneimine Beilstein:102615 InChI=1S/C7H15N/c1-2-4-6-8-7-5-3-1/h8H,1-7H2 113.12045 azacyclooctane QXNDZONIWRINJR-UHFFFAOYSA-N chebi_ontology