The trimethylation of SKF-38,393 leads to a named agent called Trepipam.
As with fenoldopam the inclusion of a chlorine halogen gave an agent that is called SKF-81,297.
References
^Dubois A, Savasta M, Curet O, Scatton B (September 1986). "Autoradiographic distribution of the D1 agonist [3H]SKF 38393, in the rat brain and spinal cord. Comparison with the distribution of D2 dopamine receptors". Neuroscience. 19 (1): 125–37. doi:10.1016/0306-4522(86)90010-2. PMID2946980. S2CID19520384.
^Trampus M, Ferri N, Adami M, Ongini E (April 1993). "The dopamine D1 receptor agonists, A68930 and SKF 38393, induce arousal and suppress REM sleep in the rat". European Journal of Pharmacology. 235 (1): 83–7. doi:10.1016/0014-2999(93)90823-Z. PMID8100197.
^Cooper SJ, Francis J, Rusk IN (1990). "The anorectic effect of SK&F 38393, a selective dopamine D1 receptor agonist: a microstructural analysis of feeding and related behaviour". Psychopharmacology. 100 (2): 182–7. doi:10.1007/BF02244403. PMID1968277. S2CID23977403.