共 9 条
[1]
BALLARD SA, 1949, CHEM PENICILLIN, pCH26
[2]
FISCHER E, 1901, BER DTSCH CHEM GES, V34, P444
[5]
GUHA S, 1928, J INDIAN CHEM SOC, V5, P549
[6]
HALE WJ, 1919, J AM CHEM SOC, V41, P774
[8]
HUNTRESS EH, 1941, IDENTIFICATION PURE, V1, P182
[9]
PECK RL, 1949, CHEM PENICILLIN, pCH4