按照次序规则,下列基团的优先顺序是( )
· —Cl>—COOH>—CH2SH >—CH3:,
· —COOH>—Cl>—CH2SH > CH3
· -Cl>—CH2SH>—COOH>—CH3
· —CH2SH>—C1>—COOH>—CH3
出自:佳木斯大学语言治疗学