羧carboxyl group; carboxyl radical (chemistry)Strokes13PinyinsuōParts羊sheep, goat夋to dawdleWords with 羧羧基suō jī · suojicarboxyl group -COOH羧酸suō suān · suosuancarboxylic acid羧基酸suō jī suān · suojisuancarboxylic acid羧甲司坦suō jiǎ sī tǎn · suojiasitancarbocysteineStudy it in Yanamino