2015-07-232015-07-231976-10-19http://hdl.handle.net/20.500.14446/15321Azasteroids and certain derivatives each of a five ring system containing at least one aromatic nucleus and at least one nitrogen atom. The ring system is fused to a tetrahydrotetralin system or a tetrahydrophenanthrene system. The compounds have solubility in water and disclose antimicrobial, antifertility and potentiate the activity of antibiotics and certain anticancer agents.application/pdf13 pagesText3987055548/358.5548/359.1C07C 59/90C07J 73/008C07J 73/005C07D 231/54C07C 2103/26