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Ҏ(gu) 25/Ͱ
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a(chn)ƷB uA ƴ:erqiangbingchajian ӢQdihydroxypropyl theophylline;diprophyllin WQ1,3-׻-7-2,3-u-3,7--1H--2,6-ͪ 98.0% f:ͲA CAS̖479-18-5 ʽC10H14N4O4 254.24 Ԡ Ʒɫĩwoζ ƷˮܣҴ΢sanlvjiawanyimiИO΢ܽ⡣ c Ʒc䛢 C160-164 ϵ(sh) ȡƷܷQˮܽⲢϡƳÿ1mlмs10gҺ-Ҋֹȷ䛢A273nmIJL̎yȣϵ(sh)E 1%/1cm354-376 ʧ ȡƷ105pʧ^0.5 ƚ ^0.15%䛢 N ؽ ȡƷ1.0gӴ}_Һ1pH3.52mlcˮmʹܽ25mlz飨䛢 Hһؽٲ^f֮ʮ uAƽɳˎДU֧ܺ͹ڠ}áθҺз(wn)ƽcAmڰĄ^ٵɲAcһȱډAҺпs϶Ƶ
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