溶剂红 49

9-(二乙氨基)螺[12H-苯并[A]占吨-12,1,(3,H)-异苯并呋喃]-3,-酮

3'-anilino-9'-diethylaminobenzo[a]fluoran

9'-diethylamino-3'-(3-hydroxyphenyl)benzo[a]fluoran

9'-diethylamino-3'-phenylbenzo[a]fluoran