IUPAC:(2Z)-but-2-enedioic acid; 1-methyl-4-[6-(methylsulfanyl)-2-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-9-yl]piperazine
IUPAC:(2Z)-but-2-enedioic acid; 1-methyl-4-[6-(methylsulfanyl)-2-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-9-yl]piperazine