2,5-Diamino-2-(fluoromethyl)-3-pentenoic acid methyl ester 2-(Fluoromethyl)dehydroornithine methyl ester 3-Pentenoic acid, 2,5-diamino-2-(fluoromethyl)-, methyl ester 96681-91-3 Mdl 72403 Mdl-72403 alpha-Monofluoromethyldehydroornithine methyl ester