英文名：Boc Hynic 6-[2-(tert-butoxycarbonyl)hydrazinyl]pyridine-3-carboxylic acid 6-tert-butoxycarbonyl-hydrazinopyridine-3-carboxylic acid 6-[2-(tert-Butoxycarbonyl)hydrazino]nicotinic acid 6-BOC-hyd