(yng)} |
S |
a(chn)أ |
Rˎ |
(bio)(zhn) |
cp2005 |
Ҏ(gu) |
20/Ͱ |
r(ji) |
750Ԫ/ |
Jλ |
|
a(chn)ƷB |
ʽ B1aC48H74O14(R=C2H5)B1bC47H70O14(R=CH3)
B1a:872 B1b:858
ɫSY(ji)ĩo(w)ζͪȼ ڼ״ҴˮЎ
Ҏ(gu) ƷSB1a90%B1B1a+B1b)95.0%.
c;x(chng)ˎ(du)x(chng)^x(chng)x(chng)x(chng)x(chng)x(chng)(q) Ҫίݵľx(chng)ͼx(chng)
A ء ڹ]ꎛ̎
b (tng)b1kg,5kg
|
l(f)r(sh)g |
2010/7/15 11:12:00 |
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