delta-9-tetrahydrocannabinol ( delta 9-thc ) or cannabichromene , a structurally diverse naturally occurring cannabinoid , was delivered unilaterally to the corneas of cats either acutely by application of single drops or chronically via osmotic minipumps over a period of nine days .
C0039663
delta-9-tetrahydrocannabinol
C0006864
cannabinoid