@被谱绵合析 probiem AR sCrum (4Lou:o fi:a1 4000 3000 20001600 200 800 y (cm.g 105 acs pcce=um 120C9H1 UV spectrum 5.875 mg/10 ml EtOH 10 I cm cell 468010a0i820022030;33z 50 m/e 入