共 5 条
[1]
GREGOROVA I, Patent No. 85937
[2]
GREGOROVA I, 1958, CA 2942, V52
[3]
PELC B, 1964, COLLECT CZECH CHEM C, V29, P3089
[4]
SCHERING AG, Patent No. 1305384
[5]
1964, CHEM ZENTR, P1664