20776-61-8
4,5-二氯氨茴酸
→
~91%
77423-12-2
6,7-dichloro-1H-3,1-benzoxazine-2,4-dione
75-44-5
光气
+
~90%
942-06-3
4,5-二氯邻苯二甲酸酐
~61%
40928-13-0
4-氯靛红酸酐