(-)-[delta 1]-3,4-trans-tetrahydrocannabinol (most active cannabinoid)

(-)-[delta 6]-3,4-trans-tetrahydrocannabinol

tetrahydrocannabitriol (aka cannabitriol)

cannabidiolic acid

cannabidiol

cannabinol (forms after plant dies)

THC acids A and B (inactive unless smoked)

Minor constituents:

cannabigerol

cannabigerolic acid

cannabichromene

cannabichromenic acid

cannabicyclol (aka cannabipinol)

cannabicyclolic acid

cannabicitran

cannabielsoic acids A and B

cannabinolic acid (neutral cannabinoid)

cannabichromanon

cannabifuran

dehydrocannabifuran

2-oxo-[delta 3]-tetrahydrocannabinol

cannabigerol monomethyl ether

cannabidiol monomethyl ether

cannabinol methyl ether

propylcannabidiol (aka cannabidivarol & cannabidivarin)

propylcannabinol (aka cannabivarol & cannabivarin)

propyl-[delta 1]-THC (aka [delta 1]-tetrahydrocannabivarol & tetrahydrocannabivarin)

propylcannabigerol

propylcannabicyclol

propylcannabichromene

methylcannabidiol (aka cannabidiorcol)

methylcannabinol (aka cannabiorcol)

methyl-[delta 1]-THC (aka [delta 1]-tetrahydrocannabiorcol)

[delta 1]-tetrahydrocannabivarolic acid

Nitrogen-containing compounds:

choline

trigonelline

muscarine

piperidine

N-(p-hydroxy-B-phenylethyl)-p-hydroxy-trans-cinnamide

neurine

L-proline

L-isoleucine betaine

hordenine

cannabisativine (alkaloid found in the roots)

[compiled from "The Botany and Chemistry of Hallucinogens" by Schultes & Hofmann]

I've read there are up to 450 but have yet to find a full list online. I would love to know myself but that is a comprehensive as I can find at this moment in time.