NH2NH2H2O2NHNHNH2H2NNHNs合大分子（黑色）s合NH2NH2HOOCCHCH2S S CH2CHCOOHNH2NH2HOOCCHCH2SHNH2HSCH2CHCOOHNH2HSCH2CONH2Na2BrO3（还原）（氧化）+COOHHONH2COOHHONH2酪氨酸酶HOO酪氨酸COOHNH2OO脱羧成环还原多巴NHOONHHOHOOHNNHOOO O聚合多巴醌5，6二羟基吲哚吲哚5，6醌OOCH2OHHOOHHOHHOHHOHHOOH曲曲酸酸熊果苷OHXYCORXCORYXCHCH()nn=0 or1yOH OCH3 NH2 N(CH3)2RC6H5Y OH CH3 OC5H11 OC8H17 吸收紫外光(250350nm)发射能量（350nm）基态激发态COOMOHCHH3COCHCOOC8H17COOMNH2水杨酸盐类邻氨基苯甲酸盐类对甲氧基辛基肉桂酸酯H3CCH3COOHCH3
