21 Dipivefrin是經由修飾Phenylethanolamine之那一部份化學結構,而形成之衍生物?
(A) amino
(B) methylene
(C) alcohol hydroxy
(D) catechol hydroxy
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統計: A(25), B(26), C(41), D(120), E(0) #1079404
統計: A(25), B(26), C(41), D(120), E(0) #1079404