The present invention discloses compounds according to Formula Ia:Wherein R1a, R1b, R2a, R2b, R3, R4, R5, R6a, X, Cy1, Cy2, and the subscript n and m are as defined herein. The present invention relates to antagonists compounds of sphingosine 1-phosphate (S1P) receptor , methods for their production, pharmaceutical compositions comprising the same, and methods of treatment using the same, for the prophylaxis and/or treatment of diseases involving fibrotic diseases, inflammatory diseases, autoimmune diseases, metabolic diseases, cardiovascular diseases, and/or proliferative diseases by administering the compound of the invention.本發明揭示式Ia化合物:其中R1a、R1b、R2a、R2b、R3、R4、R5、R6a、X、Cy1、Cy2及下標n及m如本文所定義。 本發明係關於神經鞘胺醇1-磷酸酯(S1P)受體之拮抗劑化合物、其等製備方法、包含其等之醫藥組合物及使用其等之治療方法,其係藉由投與本發明化合物預防及/或治療包括纖維化疾病、發炎性疾病、自體免疫疾病、代謝疾病、心血管病及/或增生性疾病之疾病。