methyl 2(S)-ethoxy-3-[4-(6-methylaminopyrid-2-yl)phenyl]propanoate 、
2-萘基异氰酸酯 以0.2 g (62%) of methyl 2(S)-ethoxy-3-{4-[6-(1-methyl-3-naphthalen-2-ylureido)pyrid-2-yl]phenyl}propionate is obtained的产率得到methyl 2(S)-ethoxy-3-{4-[6-(1-methyl-3-naphthalen-2-ylureido)pyrid-2-yl]phenyl}propanoate