... 4.07 Kentaro Hiraga: Syntheses of 1,3—Cyclopentanediones. (Chemical Research Laboratories, Research & Development Division, Takea'a Chemical Industries, Ltd.“) It has ... 1) T. Miki, K. Hiraga, T. Asako: This Bulletin, 13, 1285, 1289, 1294 (1965). 2) a) 1.1. ... Page 2. 1360 Vol. ...