1-(4,6-二甲基嘧啶-2-基)-3-(4-氯苯基)脲

ethyl 3-(naphthalen-2-ylamino)-3-oxopropanoate

五氟苯基异氰酸酯

pentafluorophenyl nitrene

ethyl 3-(3-chloroanilino)-3-oxopropanoate