Definition: Synthetic or naturally occurring substances related to coumarin, the delta-lactone of coumarinic acid. The various coumarins have a wide range of proposed actions and uses including as ANTICOAGULANTS, pharmaceutical aids, indicators and reagents, photoreactive substances, and ANTINEOPLASTIC AGENTS.
N-(4-(7-diethylamino-4-methylcoumarin-3-yl)phenyl)maleimide [ 3-(4-maleimidophenyl)-4-methyl-7-(diethylamino)coumarin,3-(4-maleimidylphenyl)-4-methyl-7-diethylamino coumarin,3-MMDAC,7-diethylamino-3-(4'-maleimidylphenyl)-4-methylcoumarin,CPM cpd,DEMCPM ] structure given in first source