O-(3-chloro-7-methylpyrazolo[1,5-a]pyrimidin-2-yl) O,O-diethyl thiophosphate

Phosphorothioic acid O-(3-chloro-7-methylpyrazolo[1,5-a]pyrimidin-2-yl)O,O-diethyl ester

(7-chloro-3-methyl-1,5,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraen-8-yl)oxy-diethoxy-sulfanylidene-phosphorane