acetoxy-(N-acetyl-anilino)-(4-methoxy-phenyl)-methane

N,N’-二乙酰基甘氨酸酐

胍

1,4-diacetyl-1,2,3,4-tetraphenyl-tetrazane

acetic acid-[3t-(5-nitro-[2]furyl)-acrylic acid ]-anhydride