IUPAC:(2Z)-but-2-enedioic acid; 3,3-diethyl-1-[(4S,7R)-6-methyl-6,11-diazatetracyclo[7.6.1.0^{2,7}.0^{12,16}]hexadeca-1(16),2,9,12,14-pentaen-4-yl]urea
IUPAC:(2Z)-but-2-enedioic acid; 3,3-diethyl-1-[(4S,7R)-6-methyl-6,11-diazatetracyclo[7.6.1.0^{2,7}.0^{12,16}]hexadeca-1(16),2,9,12,14-pentaen-4-yl]urea