title: Antifertility agents: 5. Synthesis of 2,2-dimethyl-3,4-diphenyl-5,6-benzochromenes and 1,1-dimethyl-2,3-diphenylphenalenes.
authors.forename: S
authors.initials: S
authors.lastname: Ray
authors.forename: P K
authors.initials: PK
authors.lastname: Grover
authors.forename: N
authors.initials: N
authors.lastname: Anand
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D005193:Family Planning Services
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female
keywords: Contraception; Contraceptive Agents, Female--analysis; Contraceptive Agents--analysis; Family Planning