Magnetic Resonance Spectroscopy article unclassified drug 28 homocastasterone 1 2alpha, 3alpha difluoro 22,23 dihydroxy 5alpha stigmastan 6 one 1 2alpha,3alpha difluoro 5alpha stigmast 22 en 6 one 1 3,3 difluoro 22,23 dihydroxy 5alpha stigmastan 6 one 1 3,3 difluoro 5alpha stigmast 22 en 6 one 1 4 (2' (1h benzo[b]azol 3 yl)ethyl) 5 n cyclohexylcarboxamido 4 aza 5alpha cholestan 3 one 1 4 (2' (1h benzo[b]azol 3 yl)ethyl) 5 n cyclohexylcarboxamido 4 aza 5beta cholestan 3 one 1 4 (2' phenylethyl) 5 n cyclohexylcarboxamido 4 aza 5alpha cholestan 3 one 1 4 (2' phenylethyl) 5 n cyclohexylcarboxamido 4 aza 5beta cholestan 3 one 1 4 (3' azidopropyl) 5 n (ethoxycarbonylmethylen)carboxamido 4 aza 5alpha cholestan 3 one 1 4 (3' azidopropyl) 5 n (ethoxycarbonylmethylen)carboxamido 4 aza 5beta cholestan 3 one 1 4 benzyl 5 n (diethoxyphosphorylmethylen)carboxamido 4 aza 5alpha cholestan 3 one 1 4 benzyl 5 n (diethoxyphosphorylmethylen)carboxamido 4 aza 5beta cholestan 3 one 1 4 benzyl 5 n (methoxycarbonylmethylen)carboxamido 4 aza 5alpha cholestan 3 one 1 4 benzyl 5 n (methoxycarbonylmethylen)carboxamido 4 aza 5beta cholestan 3 one 1 4 benzyl 5 n cyclohexylcarboxamido 4 aza 5alpha cholestan 3 one 1 4 benzyl 5 n cyclohexylcarboxamido 4 aza 5beta cholestan 3 one 1 4 butyl 5 n cyclohexylcarboxamido 4 aza 5alpha cholestan 3 one 1 4 butyl 5 n cyclohexylcarboxamido 4 aza 5beta cholestan 3 one 1 4 propargyl 5 n (ethoxycarbonylmethylen)carboxamido 4 aza 5alpha cholestan 3 one 1 4 propargyl 5 n (ethoxycarbonylmethylen)carboxamido 4 aza 5beta cholestan 3 one 1 4-Azacholestanes 1 Azasteroids 1 Azasterols 1 Brassinosteroids 1 Cholestanols 1 Difluorinated steroids 1