1,1-bis(2-chloroethyl)-3-ethylthiourea

N-ethyl-5-phenyl-1,3,4-thiadiazol-2-amine

O-[2-(dimethylamino)ethyl] N-ethylcarbamothioate

1-乙基-3-吡啶-2-基硫脲

1-ethyl-3-(hydrazinylmethylidene)thiourea