Exploring Thiopental. To explore a different substance…

Thiopental
5-Ethyl-5-(pentan-2-yl)-2-sulfanylidene-1,3-diazinane-4,6-dione
 12487  C11H18N2O2S  242.338
 InChI=1S/C11H18N2O2S/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16)
 IUJDSEJGGMCXSG-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCCC(C1(CC)C(=O)NC(=S)NC1=O)C