5-[(4-nitroanilino)methyl]-1-[(2-oxo-2-phenothiazin-10-ylethyl)amino]-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione

5-[(3-chloroanilino)methyl]-1-[(2-oxo-2-phenothiazin-10-ylethyl)amino]-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione

5-[(3-methylanilino)methyl]-1-[(2-oxo-2-phenothiazin-10-ylethyl)amino]-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione

5-[(2-methylanilino)methyl]-1-[(2-oxo-2-phenothiazin-10-ylethyl)amino]-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione

5-[(naphthalen-1-ylamino)methyl]-1-[(2-oxo-2-phenothiazin-10-ylethyl)amino]-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione