2-<1-(2-hydroxyethyl)-pyrrolo<3,2,1-kl>phenothiazin-2-yl>-4,4-dimethyl-2-oxazoline

pyrrolo<3,2,1-kl>phenothiazine-2-carboxylic acid

pyrrolo<3,2,1-kl>phenothiazine carbonylchloride

1,2-dihydro-4H-pyrano<3',4':4,5>pyrrolo<3,2,1-kl>phenothiazin-4-one

1,10-diformylpyrrolo<3,2,1-kl>phenothiazine