871239-13-3
(2E)-[(2-chlorophenyl)hydrazono]acetic acid
→
871239-15-5
3-溴-1-(2-氯苯基)-4,5-二氢-1H-吡唑-5-羧酸甲酯
41052-75-9
2-氯苯肼盐酸盐
871239-14-4
(2-chlorophenyl)carbonohydrazonic dibromide
+
292638-85-8