drug synthesis 4 electrospray mass spectrometry 4 human 4 nonhuman 4 nuclear magnetic resonance spectroscopy structure activity relation unclassified drug 4 (17beta) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxylate 2 (17beta) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxylic acid 2 (17beta) n ((t butylcarbamoyl)methyl) n (2 chlorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (2 ethyl 6 methylphenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (2 fluorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (2 naphthyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 chlorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 chlorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 fluorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 fluorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 methoxyphenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 methoxyphenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n (4 methylphenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n phenyl 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 2 (17beta) n ((t butylcarbamoyl)methyl) n phenyl 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 2 2 (t butylamino) 2 oxoethyl (17beta) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxylate 2 4,4-Dimethyl sterols 2 Animals 2 Antifungal 2 Article 2 Cercopithecus aethiops 2 Chlorocebus aethiops 2 Cytotoxic 2