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| Formula | C23H26O4 |
| Molar mass | 366.457 g·mol−1 |
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PSB-SB-1202 is acoumarin derivative which is an agonist at the cannabinoid receptorsCB1 andCB2, with a CB1 Ki of 32nM and a CB2 Ki of 49nM.[1] It is also a weak antagonist at the related receptorGPR55, with an IC50 of 6350nM, but has no significant affinity forGPR18.[2]