Authors:
HORVATH P
BALOGH G
BRLIK J
CSEHI A
DRAVECZ F
HALMOS Z
LAUKO A
RENYEI M
VARGA K
GOROG S
Citation: P. Horvath et al., ESTIMATION OF IMPURITY PROFILES OF DRUGS AND RELATED MATERIALS .16. IDENTIFICATION OF THE SIDE-PRODUCTS OF THE ETHINYLATION STEP IN THE SYNTHESIS OF CONTRACEPTIVE GESTOGENS, Journal of pharmaceutical and biomedical analysis, 15(9-10), 1997, pp. 1343-1349