1	EAE	(1~{z})-1-(3-ethyl-5-methoxy-1,3-benzothiazol-2-ylidene)propan-2-one	1.000
2	EHB	(1z)-1-(3-ethyl-5-hydroxy-1,3-benzothiazol-2(3h)-ylidene)propan-2-one	0.833