Showing structure for 19-(butanoyloxy)-2,13-dioxo-6,17-dioxa-23,24-dithia-3,14-diazaoctacyclo[10.10.2.0¹,¹⁴.0³,¹².0⁴,¹⁰.0⁵,⁷.0¹⁵,²¹.0¹⁶,¹⁸]tetracosa-9,20-dien-8-yl butanoate