Note (57) — EXPERIMENTAL
Reading edition
H. Bauer, Ber. 48, 507 (1915); Lyons & Shinn, J. Am. Chem. Soc. 1902: 1092; Fritz von Konek & O. Schleifer, Ber. 51, 850 (1918); A. Michaelis, Ber. 30, 2827 (1897); Ber. 48, 873 (1915); H. Frerichs, Arch. Pharm. 1902: 240, 656.