A COMPOUND REPRESENTED BY THE GENERAL FORMULA [1] OR A SALT OF THE SAME, BEING EXTREMELY REDUCED IN DECOMPOSABILITY BY THE GASTRIC ACID WHEN COMPARED WITH OTHER DERIVATIVES OF KNOWN ERYTHROMYCIN, AND WHICH HAS AN EXCELLENT ACTIVITY TO PROMOTE THE TRUST MOVEMENT WHERE R1 REPRESENTS HYDROGEN, HYDROXY, ACILOXI OR AMINO OR ALTERNATIVELY R2 AND R3 ARE COMBINED TOGETHER TO REPRESENT = 0 O = NOR10, WHERE R10 REPRESENTS HYDROGEN OR A LOWER ALKYL; R4 REPRESENTS HYDROGEN OR A LOWER ALKYL; EY REPRESENTS -NR5R6 OR -N + R7R8R9X-, WHERE R5, R6, R7, R8 AND R9 MAY BE THE SAME OR DIFFERENT ONE OF ANOTHER AND EACH ONE REPRESENTS HYDROGEN, RENTER ALLOYAL, RENTAL, ALKYLE RICH OR A HETERO-CYCLE GROUP OF 3 TO 7 MEMBERS CONTAINING OXYGEN, NITROGEN OR SULFUR AS HETEROATOMO, YX REPRESENTS AN ANION, AS LONG AS A PAIR OF R5 AND R6 AND A PAIR OF R7 AND R8 MAY BE COMBINED WITH THE NITROEN ATOMO AZACICLOALQUILO.
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机译：一般配方[1]表示的化合物或相同的盐，当与其他已知的红霉素的衍生物比较时，由于胃酸的可分解性大大降低，并且其中一些化合物的活性很强，羟基，苯环或氨基或R2和R3的总和表示为0 O = NOR10，而R10表示氢或低级烷基; R4代表氢或低级烷基; EY代表-NR5R6或-N + R7R8R9X-，其中R5，R6，R7，R8和R9可以是相同的或不同的，并且每个代表氢，中间合金，租赁，烷基，富氢或杂环包含氧，氮或硫的杂原子成员，YX代表一个阴离子，其中R5和R6对以及R7和R8对可以与硝基原子氮杂双氮杂结合使用。
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