(2R,3S)-7-methoxy-3-nitro-2-phenylchroman

苯甲醛

(Z)-2-benzylidene-6-methoxy-2,3-dihydrobenzo(b)furan-3-ol

4H-1-Benzopyran-4-one, 2,3-dihydro-3-hydroxy-7-methoxy-2-phenyl-

2-(α-chlorobenzyl)-2-hydroxy-6-methoxybenzo(b)furan-3(2H)-one