1 FKA Benzyl-carbamic acid [8-deethyl-ascomycin-8-yl]ethyl ester 1.000 2 KXX (3s,4r,5s,8r,9e,12s,14s,15r,16s,18r,19r,22r,26as)-8-ethyl-5,19-dihydroxy-3-{(1e)-1-[(1r,3r,4r)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl}-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3h-15,19-epoxypyrido[2,1-C][1,4]oxazacyclotricosine-1,7,20,21(4h,23h)-tetrone 0.836 3 818 18-hydroxyascomycin 0.824 4 FK5 8-deethyl-8-[but-3-enyl]-ascomycin 0.824 5 OP5 (1~{R},9~{S},12~{S},13~{R},14~{S},17~{R},18~{E},21~{S},23~{S},24~{R},25~{S},27~{R})-23,25-dimethoxy-12-[(~{E})-1-[(1~{R},3~{R},4~{R})-3-methoxy-4-oxidanyl-cyclohexyl]prop-1-en-2-yl]-13,19,21,27-tetramethyl-1,14-bis(oxidanyl)-17-(2-oxidanylidenepropyl)-11,28-dioxa-4-azatricyclo[22.3.1.0^{4,9}]octacos-18-ene-2,3,10,16-tetrone 0.812 6 OOZ (1~{R},9~{S},12~{S},13~{R},14~{S},17~{R},18~{E},21~{S},23~{S},24~{R},25~{S},27~{R})-17-ethyl-25-methoxy-12-[(~{E})-1-[(1~{R},3~{R},4~{R})-3-methoxy-4-oxidanyl-cyclohexyl]prop-1-en-2-yl]-13,19,21,27-tetramethyl-1,14,23-tris(oxidanyl)-11,28-dioxa-4-azatricyclo[22.3.1.0^{4,9}]octacos-18-ene-2,3,10,16-tetrone 0.794 7 R27 N'-[(3s,4r,5s,8r,9e,12s,14s,15r,16s,18r,19r,26as)-5,19-dihydroxy-3-{(1e)-1-[(1r,3r,4r)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl}-14,16-dimethoxy-4,10,12,18-tetramethyl-1,20,21-trioxo-8-(prop-2-en-1-yl)-1,3,4,5,6,8,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,26a-docosahydro-7h-15,19-epoxypyrido[2,1-C][1,4]oxazacyclotricosin-7-ylidene]acetohydrazide 0.753 8 OP8 (1ar,3r,5s,6r,7s,9r,10r,17as,20s,21r,22s,25r,25ar)-25-ethyl-10,22-dihydroxy-20-{(1e)-1-[(1r,3r,4r)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl}-5,7-dimethoxy-1a,3,9,21-tetramethyloctadecahydro-2h-6,10-epoxyoxireno[P]pyrido[2,1-C][1,4]oxazacyclotricosine-11,12,18,24(1ah,14h)-tetrone 0.746