116528-12-2 1H,15H,34H-20,23:30,33-Dietheno-3,18:35,48-bis(iminomethano)-4,8:10,14:25,28:43,47-tetrametheno-28H-[1,14,6,22]dioxadiazacyclooctacosino[4,5-m][10,2,16]benzoxadiazacyclotetracosine,ristomycin A aglycone deriv. 116537-79-2 1H,7H,11H-Cyclopenta[7,8]cyclopropa[4a,4b]phenanthro[2,1-d][1,3]oxazine,6'H-9,19-cyclopregna-3,17(20)-dieno[3,4-d][1,3]oxazin-16-one deriv.