1,3-Diphenyl-2-thioureasym-diphenylthiourea1,3-二苯基-2-硫脲N,N′-二苯基硫脲1,3-diphenyl-2-thioureaThiocarbanilideDiphenylsulfourea1,3-diphenylthioureaN,N'-二苯基硫脲N,N'-DiphenylthioureaThiocarbanilideDPTasulfocarbanilide1,3-diphenylthioureadiphenylthiourea二苯硫脲均二苯硫脲N,N′-Diphenylthioureasym-DIPHENYLTHIOUREADPTU1,3-Diphenyl-2-thiourea1,3-DiphenylthioureaN,N'-diphenylthioureas-diphenylthioureadiphenylthioureaThiocarbanilideSulfocarbanilidesym-diphenylthiourea