羧 (w)

(suō) carboxyl radical (chemistry)

羧基 (w)

(suōjī) carboxyl group -COOH

羧基酸 (w)

(suōjīsuān) carboxylic acid

羧甲司坦 (w)

(suōjiǎsītǎn) carbocysteine

羧酸 (w)

(suōsuān) carboxylic acid