MOLCONNZ_AROMATIC | 1 |
MOLCONNZ_NONAROMATIC | 0 |
MOLCONNZ_RINGTYPE_INDEPENDENT | 0 | ring is isolated |
MOLCONNZ_RINGTYPE_SPIRO | 1 | ring is in spiro system |
MOLCONNZ_RINGTYPE_BICYCLIC | 2 | ring is in bicyclic system |
MOLCONNZ_RINGTYPE_SUPER | 3 | ring is a circuit of >1 ring |