59-88-1
盐酸苯肼
→
69099-25-8
1-phenyl-4H-thiochromeno[4,3-c]pyrazole-3-carboxylic acid
69099-26-9
90004-06-1
2-氰基-N-吡啶-2-基-乙酰胺
+
79-37-8
草酰氯
118326-43-5
1,4-dihydro-1-phenyl-[1]-benzothiopyrano[4,3-c]pyrazole-3-carbonyl chloride