Exploring Ipsapirone. To explore a different substance…

Ipsapirone
2-{4-[4-(Pyrimidin-2-yl)piperazin-1-yl]butyl}-1H-1λ6,2-benzothiazole-1,1,3(2H)-trione
 3817  C19H23N5O3S  401.483
 InChI=1S/C19H23N5O3S/c25-18-16-6-1-2-7-17(16)28(26,27)24(18)11-4-3-10-22-12-14-23(15-13-22)19-20-8-5-9-21-19/h1-2,5-9H,3-4,10-15H2
 TZJUVVIWVWFLCD-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C1c2ccccc2S(=O)(=O)N1CCCCN1CCN(CC1)c1ncccn1