3-methoxy-5-nitro-2-sulfanylbenzaldehyde

8'-methoxy-3,3',4,4,6-pentamethyl-6'-nitrospiro[1,3-oxazinane-2,2'-chromene]

2,3-二甲氧基-5-硝基-苯甲醛

8-methoxy-6-nitro-2H-chromene