下列哪些药属于H<sub>2</sub>受体拮抗剂?()
A、雷尼替丁
B、法莫替丁
C、西咪替丁
D、尼扎替丁
E、兰索拉唑
A、雷尼替丁
B、法莫替丁
C、西咪替丁
D、尼扎替丁
E、兰索拉唑
A、H<sub>2sub>CO<sub>3sub>和HCO<sub>3sub>- B、H<sub>2sub>S和S2- C、NH<sub>4sub>+和NH<sub>3sub>.H<sub>2sub>O D、H<sub>3sub>O+和OH-
A、NH<sub>3sub> B、N<sub>2sub>H<sub>4sub> C、N<sub>2sub>H<sub>6sub>2+ D、N<sub>2sub>H<sub>5sub>OH
A、C+O<sub>2sub>=CO<sub>2sub> B、C+H<sub>2sub>O=CO+H<sub>2sub> C、C+2H<sub>2sub>=CH<sub>4sub>
A、C<sub>2sub>H<sub>5sub>OH B、C<sub>5sub>H<sub>6sub>OCH<sub>3sub> C、C<sub>2sub>H<sub>5sub>OCH<sub>3sub> D、C<sub>5sub>H<sub>6sub>OH
A、△H<sub>1sub>+ △H<sub>2sub>+△H<sub>3sub> =△H<sub>4sub> B、△H<sub>1sub>+ △H<sub>2sub> = △H<sub>3sub> +△H<sub>4sub> C、(△H<sub>1sub>+ △H<sub>2sub>)-(△H<sub>3sub> +△H<sub>4sub>)=△H<sub>5sub> D、△H<sub>1sub>+△H<sub>2sub>+△H<sub>3sub>+△H<sub>4sub> =△H<sub>5sub>
A、C<sub>6sub>H<sub>5sub>CH<sub>2sub>CO<sub>2sub>H B、CH<sub>3sub>CH<sub>2sub>CO<sub>2sub>H C、BrCH<sub>2sub>CH<sub>2sub>CO<sub>2sub>H D、C<sub>1sub>CH<sub>2sub>CH<sub>2sub>CO<sub>2sub>H
A、C<sub>2sub>H<sub>5sub>OC<sub>2sub>H<sub>5sub> B、CH<sub>3sub>COCH<sub>3sub> C、CH<sub>2sub>=CHCHO D、CH<sub>3sub>CHO
A、H<sub>2sub>S<sub>2sub>O<sub>6sub> B、H<sub>2sub>SO<sub>4sub> C、H<sub>2sub>SO<sub>3sub> D、H<sub>2sub>S<sub>2sub>O<sub>7sub>
A、C<sub>2sub>H<sub>2sub> B、C<sub>2sub>H<sub>4sub> C、C<sub>2sub>H<sub>6sub> D、C<sub>6sub>H<sub>6sub>