顺式-4,7,10,13,16,19-二十二碳六烯酸甲酯cis-4,7,10,13,16,19-Docosahexaenoic acid methyl ester4,7,10,13,16,19-二十二碳六烯酸甲酯Methyl all-cis-4,7,10,13,16,19-docosahexenoateall-cis-4,7,10,13,16,19-Docosahexaenoic acid methyl ester全顺-4,7,10,13,16,19-二十二碳六烯酸甲酯DHA 甲酯Methyl DHAFame 22:6n-3顺-4,7,10,13,16,19-二十二碳六烯酸甲酯