3-(diethylamino)-6-(5-nitro-3H-1,3-benzoxazol-2-ylidene)cyclohexa-2,4-dien-1-one

2-[(苯并噻唑-2-基)偶氮]-5-(二乙基氨基)苯酚

3-氰基-7-(二乙基氨基)香豆素