Words to Describe hydrazone

How hydrazone often is described ("________ hydrazone")

• intermediate
• azo
• soluble
• pyridoxal
• colored
• insoluble
• mannose
• characteristic
• phenyl
• hydralazine
• colorless
• yellow
• corresponding
• reddish
• glutamyl
• brown
• inactive
• methyl
• bound
• crystalline