50-00-0
甲醛
+
59981-63-4
L-4,5,6,7-四氢-1H-咪唑[4,5-c]并吡啶-6-羧酸
→
59969-90-3
5-(hydroxymethyl)-3,4,6,7-tetrahydroimidazo[4,5-c]pyridine-6-carboxylic acid
71-00-1
L-组氨酸