Abbr.	R	R1
MAEM	CH3
ZAEM 1)	CH3
CAEM	COCH3
BAEM	C(C6H5)3
FAEM	CH2COOCH3
DAEM	CH2COOC(CH3)3
TAEM	(CH3)3COOC(CH3)3
DAMA	CH3
DATD 1)	CH3
DAIA	COCH3
DAOA	C(C6H5)3
DMMA	CH2 COOCH3
DTMA	CH2 COOC(CH3)3
DABA	(CH3)3COOC(CH3)3
PAMA	CH3
PATD 1)	CH3
PAIA	COCH3
PAOA	C(C6H5)3
PMMA	CH2 COOCH3
PTMA	CH2COOC(CH3)3
PABA	(CH3)3COOC(CH3)3

1) 1,2,4-thiadizole ring instead of 1,3-thiazole ring