ch2o,

ch2o.h2o4s)x.
苯酚,甲醛的聚合物钠盐是一种化学物质,分子式是(c6h6o.ch2o)x.xna.
burgundy mixture (molecular formula: ch2o3·cu·h2o4s·2na)
ch2o)x.
ch3ch2ch2ch2o h ho chch2o h 2 hoch 2chch 2oh oh c h2o h c h2o h