18-Norestr-4-en-3-one, 17-ethynyl-13-ethyl- 17.beta.-hydroxy-,2-[(9,10-dihydro-10-oxo-4-acridinyl)carbonyl]hydrazone Acridine-4-carboxylic acid, 9,10-dihydro-9-oxo-, 2-(17-ethynyl-13-ethyl-17.beta.-hydroxy- 4-gonen-3-ylidene)hydrazide NSC684409