1-[2-Cyano-4-(3,5-dimethyl-1,3,4-oxadiazol-2(3H)-yliden)-1-thioxo-2-enyl]pyrrolidin

1-[2-Cyano-4-(3,5-dimethyl-1,3,4-oxadiazol-2(3H)-ylidene)-1-thioxo-2-butenyl]pyrrolidine

1-[2-cyano-4-(3,5-dimethyl-1,3,4-oxadiazol-2(3H)-ylidene)-1-thioxobut-2-enyl]pyrrolidine