2321-65-5 | 2-[2-[2,3-dihydro-5-methyl-3-oxo-2-phenyl-1-(4-sulphonatobutyl)-1H-pyrazol-4-yl]-3-(6-methoxy-3-methyl-3H-benzothiazol-2-ylidene)prop-1-enyl]-6-methoxy-3-methylbenzothiazolium | C35H36 N4 O6 S3 |
2321-53-1 | Caswell No. 580C | CH5 As O3 . H3 N |
2321-07-5 | Fluorescein | C20H12O5 |